csharp
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gui-cs.Terminal.Gui
zrkadlo https://github.com/gui-cs/Terminal.Gui.git


			
				
					
						
						
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    <title>Class TreeView&lt;T&gt;
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            <article class="content wrap" id="_content" data-uid="Terminal.Gui.TreeView`1">
  
  
  <h1 id="Terminal_Gui_TreeView_1" data-uid="Terminal.Gui.TreeView`1" class="text-break">Class TreeView&lt;T&gt;
  </h1>
  <div class="markdown level0 summary">
Hierarchical tree view with expandable branches.  Branch objects are dynamically determined
when expanded using a user defined <a class="xref" href="Terminal.Gui.ITreeBuilder-1.html">ITreeBuilder&lt;T&gt;</a>
</div>
  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><span class="xref">System.Object</span></div>
    <div class="level1"><a class="xref" href="Terminal.Gui.Responder.html">Responder</a></div>
    <div class="level2"><a class="xref" href="Terminal.Gui.View.html">View</a></div>
    <div class="level3"><span class="xref">TreeView&lt;T&gt;</span></div>
      <div class="level4"><a class="xref" href="Terminal.Gui.TreeView.html">TreeView</a></div>
  </div>
  <div classs="implements">
    <h5>Implements</h5>
    <div><span class="xref">System.IDisposable</span></div>
    <div><span class="xref">System.ComponentModel.ISupportInitializeNotification</span></div>
    <div><span class="xref">System.ComponentModel.ISupportInitialize</span></div>
    <div><a class="xref" href="Terminal.Gui.ITreeView.html">ITreeView</a></div>
  </div>
  <div class="inheritedMembers">
    <h5>Inherited Members</h5>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Added">View.Added</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Removed">View.Removed</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Enter">View.Enter</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Leave">View.Leave</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_MouseEnter">View.MouseEnter</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_MouseLeave">View.MouseLeave</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_MouseClick">View.MouseClick</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_HotKey">View.HotKey</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_HotKeySpecifier">View.HotKeySpecifier</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Shortcut">View.Shortcut</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ShortcutTag">View.ShortcutTag</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ShortcutAction">View.ShortcutAction</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Data">View.Data</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Driver">View.Driver</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Subviews">View.Subviews</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_TabIndexes">View.TabIndexes</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_TabIndex">View.TabIndex</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_TabStop">View.TabStop</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_CanFocus">View.CanFocus</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Id">View.Id</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_IsCurrentTop">View.IsCurrentTop</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_WantMousePositionReports">View.WantMousePositionReports</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_WantContinuousButtonPressed">View.WantContinuousButtonPressed</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Frame">View.Frame</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_LayoutStyle">View.LayoutStyle</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Bounds">View.Bounds</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_X">View.X</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Y">View.Y</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Width">View.Width</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Height">View.Height</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SuperView">View.SuperView</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SetNeedsDisplay">View.SetNeedsDisplay()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ClearLayoutNeeded">View.ClearLayoutNeeded()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SetNeedsDisplay_Terminal_Gui_Rect_">View.SetNeedsDisplay(Rect)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SetChildNeedsDisplay">View.SetChildNeedsDisplay()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Add_Terminal_Gui_View_">View.Add(View)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Add_Terminal_Gui_View___">View.Add(View[])</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_RemoveAll">View.RemoveAll()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Remove_Terminal_Gui_View_">View.Remove(View)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_BringSubviewToFront_Terminal_Gui_View_">View.BringSubviewToFront(View)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SendSubviewToBack_Terminal_Gui_View_">View.SendSubviewToBack(View)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SendSubviewBackwards_Terminal_Gui_View_">View.SendSubviewBackwards(View)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_BringSubviewForward_Terminal_Gui_View_">View.BringSubviewForward(View)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Clear">View.Clear()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Clear_Terminal_Gui_Rect_">View.Clear(Rect)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ScreenToView_System_Int32_System_Int32_">View.ScreenToView(Int32, Int32)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ClipToBounds">View.ClipToBounds()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SetClip_Terminal_Gui_Rect_">View.SetClip(Rect)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_DrawFrame_Terminal_Gui_Rect_System_Int32_System_Boolean_">View.DrawFrame(Rect, Int32, Boolean)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_DrawHotString_NStack_ustring_Terminal_Gui_Attribute_Terminal_Gui_Attribute_">View.DrawHotString(ustring, Attribute, Attribute)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_DrawHotString_NStack_ustring_System_Boolean_Terminal_Gui_ColorScheme_">View.DrawHotString(ustring, Boolean, ColorScheme)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Move_System_Int32_System_Int32_">View.Move(Int32, Int32)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_HasFocus">View.HasFocus</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnAdded_Terminal_Gui_View_">View.OnAdded(View)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnRemoved_Terminal_Gui_View_">View.OnRemoved(View)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnEnter_Terminal_Gui_View_">View.OnEnter(View)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnLeave_Terminal_Gui_View_">View.OnLeave(View)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Focused">View.Focused</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_MostFocused">View.MostFocused</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ColorScheme">View.ColorScheme</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_AddRune_System_Int32_System_Int32_System_Rune_">View.AddRune(Int32, Int32, Rune)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ClearNeedsDisplay">View.ClearNeedsDisplay()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_DrawContent">View.DrawContent</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnDrawContent_Terminal_Gui_Rect_">View.OnDrawContent(Rect)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SetFocus">View.SetFocus()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_KeyPress">View.KeyPress</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ProcessHotKey_Terminal_Gui_KeyEvent_">View.ProcessHotKey(KeyEvent)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ProcessColdKey_Terminal_Gui_KeyEvent_">View.ProcessColdKey(KeyEvent)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_KeyDown">View.KeyDown</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnKeyDown_Terminal_Gui_KeyEvent_">View.OnKeyDown(KeyEvent)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_KeyUp">View.KeyUp</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnKeyUp_Terminal_Gui_KeyEvent_">View.OnKeyUp(KeyEvent)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_EnsureFocus">View.EnsureFocus()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_FocusFirst">View.FocusFirst()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_FocusLast">View.FocusLast()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_FocusPrev">View.FocusPrev()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_FocusNext">View.FocusNext()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_LayoutStarted">View.LayoutStarted</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_LayoutComplete">View.LayoutComplete</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Initialized">View.Initialized</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_LayoutSubviews">View.LayoutSubviews()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Text">View.Text</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_AutoSize">View.AutoSize</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_TextAlignment">View.TextAlignment</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_IsInitialized">View.IsInitialized</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ToString">View.ToString()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnMouseEnter_Terminal_Gui_MouseEvent_">View.OnMouseEnter(MouseEvent)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnMouseLeave_Terminal_Gui_MouseEvent_">View.OnMouseLeave(MouseEvent)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnMouseEvent_Terminal_Gui_MouseEvent_">View.OnMouseEvent(MouseEvent)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_OnMouseClick_Terminal_Gui_View_MouseEventArgs_">View.OnMouseClick(View.MouseEventArgs)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Dispose_System_Boolean_">View.Dispose(Boolean)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_BeginInit">View.BeginInit()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_EndInit">View.EndInit()</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Visible">View.Visible</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SetWidth_System_Int32_System_Int32__">View.SetWidth(Int32, Int32)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SetHeight_System_Int32_System_Int32__">View.SetHeight(Int32, Int32)</a>
    </div>
    <div>
      <a class="xref" href="Terminal.Gui.Responder.html#Terminal_Gui_Responder_Dispose">Responder.Dispose()</a>
    </div>
    <div>
      <span class="xref">System.Object.Equals(System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.Equals(System.Object, System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.GetHashCode()</span>
    </div>
    <div>
      <span class="xref">System.Object.GetType()</span>
    </div>
    <div>
      <span class="xref">System.Object.MemberwiseClone()</span>
    </div>
    <div>
      <span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
    </div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="Terminal.Gui.html">Terminal.Gui</a></h6>
  <h6><strong>Assembly</strong>: Terminal.Gui.dll</h6>
  <h5 id="Terminal_Gui_TreeView_1_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class TreeView&lt;T&gt; : View, IDisposable, ISupportInitializeNotification, ISupportInitialize, ITreeView where T : class</code></pre>
  </div>
  <h5 class="typeParameters">Type Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="parametername">T</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h3 id="constructors">Constructors
  </h3>
  
  
  <a id="Terminal_Gui_TreeView_1__ctor_" data-uid="Terminal.Gui.TreeView`1.#ctor*"></a>
  <h4 id="Terminal_Gui_TreeView_1__ctor" data-uid="Terminal.Gui.TreeView`1.#ctor">TreeView()</h4>
  <div class="markdown level1 summary">
Creates a new tree view with absolute positioning.  
Use <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_AddObjects_System_Collections_Generic_IEnumerable__0__">AddObjects(IEnumerable&lt;T&gt;)</a> to set set root objects for the tree.
Children will not be rendered until you set <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_TreeBuilder">TreeBuilder</a>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public TreeView()</code></pre>
  </div>
  
  
  <a id="Terminal_Gui_TreeView_1__ctor_" data-uid="Terminal.Gui.TreeView`1.#ctor*"></a>
  <h4 id="Terminal_Gui_TreeView_1__ctor_Terminal_Gui_ITreeBuilder__0__" data-uid="Terminal.Gui.TreeView`1.#ctor(Terminal.Gui.ITreeBuilder{`0})">TreeView(ITreeBuilder&lt;T&gt;)</h4>
  <div class="markdown level1 summary">
Initialises <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_TreeBuilder">TreeBuilder</a>.Creates a new tree view with absolute 
positioning.  Use <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_AddObjects_System_Collections_Generic_IEnumerable__0__">AddObjects(IEnumerable&lt;T&gt;)</a> to set set root 
objects for the tree.
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public TreeView(ITreeBuilder&lt;T&gt; builder)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Terminal.Gui.ITreeBuilder-1.html">ITreeBuilder</a>&lt;T&gt;</td>
        <td><span class="parametername">builder</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h3 id="fields">Fields
  </h3>
  
  
  <h4 id="Terminal_Gui_TreeView_1_NoBuilderError" data-uid="Terminal.Gui.TreeView`1.NoBuilderError">NoBuilderError</h4>
  <div class="markdown level1 summary">
Error message to display when the control is not properly initialized at draw time 
(nodes added but no tree builder set)
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static ustring NoBuilderError</code></pre>
  </div>
  <h5 class="fieldValue">Field Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">NStack.ustring</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h3 id="properties">Properties
  </h3>
  
  
  <a id="Terminal_Gui_TreeView_1_AllowLetterBasedNavigation_" data-uid="Terminal.Gui.TreeView`1.AllowLetterBasedNavigation*"></a>
  <h4 id="Terminal_Gui_TreeView_1_AllowLetterBasedNavigation" data-uid="Terminal.Gui.TreeView`1.AllowLetterBasedNavigation">AllowLetterBasedNavigation</h4>
  <div class="markdown level1 summary">
True makes a letter key press navigate to the next visible branch that begins with
that letter/digit
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public bool AllowLetterBasedNavigation { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_AspectGetter_" data-uid="Terminal.Gui.TreeView`1.AspectGetter*"></a>
  <h4 id="Terminal_Gui_TreeView_1_AspectGetter" data-uid="Terminal.Gui.TreeView`1.AspectGetter">AspectGetter</h4>
  <div class="markdown level1 summary">
Returns the string representation of model objects hosted in the tree.  Default 
implementation is to call <span class="xref">System.Object.ToString()</span>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public AspectGetterDelegate&lt;T&gt; AspectGetter { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Terminal.Gui.AspectGetterDelegate-1.html">AspectGetterDelegate</a>&lt;T&gt;</td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_ContentHeight_" data-uid="Terminal.Gui.TreeView`1.ContentHeight*"></a>
  <h4 id="Terminal_Gui_TreeView_1_ContentHeight" data-uid="Terminal.Gui.TreeView`1.ContentHeight">ContentHeight</h4>
  <div class="markdown level1 summary">
The current number of rows in the tree (ignoring the controls bounds)
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public int ContentHeight { get; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_MultiSelect_" data-uid="Terminal.Gui.TreeView`1.MultiSelect*"></a>
  <h4 id="Terminal_Gui_TreeView_1_MultiSelect" data-uid="Terminal.Gui.TreeView`1.MultiSelect">MultiSelect</h4>
  <div class="markdown level1 summary">
True to allow multiple objects to be selected at once
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public bool MultiSelect { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_ObjectActivationKey_" data-uid="Terminal.Gui.TreeView`1.ObjectActivationKey*"></a>
  <h4 id="Terminal_Gui_TreeView_1_ObjectActivationKey" data-uid="Terminal.Gui.TreeView`1.ObjectActivationKey">ObjectActivationKey</h4>
  <div class="markdown level1 summary">
Key which when pressed triggers <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_ObjectActivated">ObjectActivated</a>.
Defaults to Enter
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public Key ObjectActivationKey { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Terminal.Gui.Key.html">Key</a></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_Objects_" data-uid="Terminal.Gui.TreeView`1.Objects*"></a>
  <h4 id="Terminal_Gui_TreeView_1_Objects" data-uid="Terminal.Gui.TreeView`1.Objects">Objects</h4>
  <div class="markdown level1 summary">
The root objects in the tree, note that this collection is of root objects only
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public IEnumerable&lt;T&gt; Objects { get; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;T&gt;</td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_ScrollOffsetHorizontal_" data-uid="Terminal.Gui.TreeView`1.ScrollOffsetHorizontal*"></a>
  <h4 id="Terminal_Gui_TreeView_1_ScrollOffsetHorizontal" data-uid="Terminal.Gui.TreeView`1.ScrollOffsetHorizontal">ScrollOffsetHorizontal</h4>
  <div class="markdown level1 summary">
The amount of tree view that has been scrolled to the right (horizontally)
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public int ScrollOffsetHorizontal { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h5 id="Terminal_Gui_TreeView_1_ScrollOffsetHorizontal_remarks">Remarks</h5>
  <div class="markdown level1 remarks">Setting a value of less than 0 will result in a offset of 0.  To see changes 
in the UI call <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SetNeedsDisplay">SetNeedsDisplay()</a></div>
  
  
  <a id="Terminal_Gui_TreeView_1_ScrollOffsetVertical_" data-uid="Terminal.Gui.TreeView`1.ScrollOffsetVertical*"></a>
  <h4 id="Terminal_Gui_TreeView_1_ScrollOffsetVertical" data-uid="Terminal.Gui.TreeView`1.ScrollOffsetVertical">ScrollOffsetVertical</h4>
  <div class="markdown level1 summary">
The amount of tree view that has been scrolled off the top of the screen (by the user 
scrolling down)
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public int ScrollOffsetVertical { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h5 id="Terminal_Gui_TreeView_1_ScrollOffsetVertical_remarks">Remarks</h5>
  <div class="markdown level1 remarks">Setting a value of less than 0 will result in a offset of 0.  To see changes 
in the UI call <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SetNeedsDisplay">SetNeedsDisplay()</a></div>
  
  
  <a id="Terminal_Gui_TreeView_1_SelectedObject_" data-uid="Terminal.Gui.TreeView`1.SelectedObject*"></a>
  <h4 id="Terminal_Gui_TreeView_1_SelectedObject" data-uid="Terminal.Gui.TreeView`1.SelectedObject">SelectedObject</h4>
  <div class="markdown level1 summary">
The currently selected object in the tree.  When <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_MultiSelect">MultiSelect</a> is true this
is the object at which the cursor is at
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public T SelectedObject { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_Style_" data-uid="Terminal.Gui.TreeView`1.Style*"></a>
  <h4 id="Terminal_Gui_TreeView_1_Style" data-uid="Terminal.Gui.TreeView`1.Style">Style</h4>
  <div class="markdown level1 summary">
Contains options for changing how the tree is rendered
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public TreeStyle Style { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Terminal.Gui.TreeStyle.html">TreeStyle</a></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_TreeBuilder_" data-uid="Terminal.Gui.TreeView`1.TreeBuilder*"></a>
  <h4 id="Terminal_Gui_TreeView_1_TreeBuilder" data-uid="Terminal.Gui.TreeView`1.TreeBuilder">TreeBuilder</h4>
  <div class="markdown level1 summary">
Determines how sub branches of the tree are dynamically built at runtime as the user
expands root nodes
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public ITreeBuilder&lt;T&gt; TreeBuilder { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Terminal.Gui.ITreeBuilder-1.html">ITreeBuilder</a>&lt;T&gt;</td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
  </h3>
  
  
  <a id="Terminal_Gui_TreeView_1_AddObject_" data-uid="Terminal.Gui.TreeView`1.AddObject*"></a>
  <h4 id="Terminal_Gui_TreeView_1_AddObject__0_" data-uid="Terminal.Gui.TreeView`1.AddObject(`0)">AddObject(T)</h4>
  <div class="markdown level1 summary">
Adds a new root level object unless it is already a root of the tree
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void AddObject(T o)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">o</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_AddObjects_" data-uid="Terminal.Gui.TreeView`1.AddObjects*"></a>
  <h4 id="Terminal_Gui_TreeView_1_AddObjects_System_Collections_Generic_IEnumerable__0__" data-uid="Terminal.Gui.TreeView`1.AddObjects(System.Collections.Generic.IEnumerable{`0})">AddObjects(IEnumerable&lt;T&gt;)</h4>
  <div class="markdown level1 summary">
Adds many new root level objects.  Objects that are already root objects are ignored
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void AddObjects(IEnumerable&lt;T&gt; collection)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;T&gt;</td>
        <td><span class="parametername">collection</span></td>
        <td>Objects to add as new root level objects</td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_AdjustSelection_" data-uid="Terminal.Gui.TreeView`1.AdjustSelection*"></a>
  <h4 id="Terminal_Gui_TreeView_1_AdjustSelection_System_Int32_System_Boolean_" data-uid="Terminal.Gui.TreeView`1.AdjustSelection(System.Int32,System.Boolean)">AdjustSelection(Int32, Boolean)</h4>
  <div class="markdown level1 summary">
The number of screen lines to move the currently selected object by.  Supports negative 
<code data-dev-comment-type="paramref" class="paramref">offset</code>.  Each branch occupies 1 line on screen
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void AdjustSelection(int offset, bool expandSelection = false)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">offset</span></td>
        <td>Positive to move the selection down the screen, negative to move it up</td>
      </tr>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><span class="parametername">expandSelection</span></td>
        <td>True to expand the selection (assuming 
<a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_MultiSelect">MultiSelect</a> is enabled).  False to replace</td>
      </tr>
    </tbody>
  </table>
  <h5 id="Terminal_Gui_TreeView_1_AdjustSelection_System_Int32_System_Boolean__remarks">Remarks</h5>
  <div class="markdown level1 remarks">If nothing is currently selected or the selected object is no longer in the tree
then the first object in the tree is selected instead</div>
  
  
  <a id="Terminal_Gui_TreeView_1_AdjustSelectionToBranchEnd_" data-uid="Terminal.Gui.TreeView`1.AdjustSelectionToBranchEnd*"></a>
  <h4 id="Terminal_Gui_TreeView_1_AdjustSelectionToBranchEnd" data-uid="Terminal.Gui.TreeView`1.AdjustSelectionToBranchEnd">AdjustSelectionToBranchEnd()</h4>
  <div class="markdown level1 summary">
Moves the selection to the last child in the currently selected level
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void AdjustSelectionToBranchEnd()</code></pre>
  </div>
  
  
  <a id="Terminal_Gui_TreeView_1_AdjustSelectionToBranchStart_" data-uid="Terminal.Gui.TreeView`1.AdjustSelectionToBranchStart*"></a>
  <h4 id="Terminal_Gui_TreeView_1_AdjustSelectionToBranchStart" data-uid="Terminal.Gui.TreeView`1.AdjustSelectionToBranchStart">AdjustSelectionToBranchStart()</h4>
  <div class="markdown level1 summary">
Moves the selection to the first child in the currently selected level
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void AdjustSelectionToBranchStart()</code></pre>
  </div>
  
  
  <a id="Terminal_Gui_TreeView_1_CanExpand_" data-uid="Terminal.Gui.TreeView`1.CanExpand*"></a>
  <h4 id="Terminal_Gui_TreeView_1_CanExpand__0_" data-uid="Terminal.Gui.TreeView`1.CanExpand(`0)">CanExpand(T)</h4>
  <div class="markdown level1 summary">
Returns true if the given object <code data-dev-comment-type="paramref" class="paramref">o</code> is exposed in the tree and can be
expanded otherwise false
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public bool CanExpand(T o)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">o</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_ClearObjects_" data-uid="Terminal.Gui.TreeView`1.ClearObjects*"></a>
  <h4 id="Terminal_Gui_TreeView_1_ClearObjects" data-uid="Terminal.Gui.TreeView`1.ClearObjects">ClearObjects()</h4>
  <div class="markdown level1 summary">
Removes all objects from the tree and clears <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_SelectedObject">SelectedObject</a>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void ClearObjects()</code></pre>
  </div>
  
  
  <a id="Terminal_Gui_TreeView_1_Collapse_" data-uid="Terminal.Gui.TreeView`1.Collapse*"></a>
  <h4 id="Terminal_Gui_TreeView_1_Collapse__0_" data-uid="Terminal.Gui.TreeView`1.Collapse(`0)">Collapse(T)</h4>
  <div class="markdown level1 summary">
Collapses the supplied object if it is currently expanded 
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void Collapse(T toCollapse)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">toCollapse</span></td>
        <td>The object to collapse</td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_CollapseAll_" data-uid="Terminal.Gui.TreeView`1.CollapseAll*"></a>
  <h4 id="Terminal_Gui_TreeView_1_CollapseAll" data-uid="Terminal.Gui.TreeView`1.CollapseAll">CollapseAll()</h4>
  <div class="markdown level1 summary">
Collapses all root nodes in the tree
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void CollapseAll()</code></pre>
  </div>
  
  
  <a id="Terminal_Gui_TreeView_1_CollapseAll_" data-uid="Terminal.Gui.TreeView`1.CollapseAll*"></a>
  <h4 id="Terminal_Gui_TreeView_1_CollapseAll__0_" data-uid="Terminal.Gui.TreeView`1.CollapseAll(`0)">CollapseAll(T)</h4>
  <div class="markdown level1 summary">
Collapses the supplied object if it is currently expanded.  Also collapses all children
branches (this will only become apparent when/if the user expands it again)
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void CollapseAll(T toCollapse)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">toCollapse</span></td>
        <td>The object to collapse</td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_CollapseImpl_" data-uid="Terminal.Gui.TreeView`1.CollapseImpl*"></a>
  <h4 id="Terminal_Gui_TreeView_1_CollapseImpl__0_System_Boolean_" data-uid="Terminal.Gui.TreeView`1.CollapseImpl(`0,System.Boolean)">CollapseImpl(T, Boolean)</h4>
  <div class="markdown level1 summary">
Implementation of <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_Collapse__0_">Collapse(T)</a> and <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_CollapseAll__0_">CollapseAll(T)</a>.  Performs
operation and updates selection if disapeared
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">protected void CollapseImpl(T toCollapse, bool all)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">toCollapse</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><span class="parametername">all</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_CursorLeft_" data-uid="Terminal.Gui.TreeView`1.CursorLeft*"></a>
  <h4 id="Terminal_Gui_TreeView_1_CursorLeft_System_Boolean_" data-uid="Terminal.Gui.TreeView`1.CursorLeft(System.Boolean)">CursorLeft(Boolean)</h4>
  <div class="markdown level1 summary">
Determines systems behaviour when the left arrow key is pressed.  Default behaviour is
to collapse the current tree node if possible otherwise changes selection to current 
branches parent
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">protected virtual void CursorLeft(bool ctrl)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><span class="parametername">ctrl</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_EnsureVisible_" data-uid="Terminal.Gui.TreeView`1.EnsureVisible*"></a>
  <h4 id="Terminal_Gui_TreeView_1_EnsureVisible__0_" data-uid="Terminal.Gui.TreeView`1.EnsureVisible(`0)">EnsureVisible(T)</h4>
  <div class="markdown level1 summary">
Adjusts the <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_ScrollOffsetVertical">ScrollOffsetVertical</a> to ensure the given
<code data-dev-comment-type="paramref" class="paramref">model</code> is visible.  Has no effect if already visible
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void EnsureVisible(T model)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">model</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_Expand_" data-uid="Terminal.Gui.TreeView`1.Expand*"></a>
  <h4 id="Terminal_Gui_TreeView_1_Expand__0_" data-uid="Terminal.Gui.TreeView`1.Expand(`0)">Expand(T)</h4>
  <div class="markdown level1 summary">
Expands the supplied object if it is contained in the tree (either as a root object or 
as an exposed branch object)
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void Expand(T toExpand)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">toExpand</span></td>
        <td>The object to expand</td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_ExpandAll_" data-uid="Terminal.Gui.TreeView`1.ExpandAll*"></a>
  <h4 id="Terminal_Gui_TreeView_1_ExpandAll" data-uid="Terminal.Gui.TreeView`1.ExpandAll">ExpandAll()</h4>
  <div class="markdown level1 summary">
Fully expands all nodes in the tree, if the tree is very big and built dynamically this
may take a while (e.g. for file system)
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void ExpandAll()</code></pre>
  </div>
  
  
  <a id="Terminal_Gui_TreeView_1_ExpandAll_" data-uid="Terminal.Gui.TreeView`1.ExpandAll*"></a>
  <h4 id="Terminal_Gui_TreeView_1_ExpandAll__0_" data-uid="Terminal.Gui.TreeView`1.ExpandAll(`0)">ExpandAll(T)</h4>
  <div class="markdown level1 summary">
Expands the supplied object and all child objects
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void ExpandAll(T toExpand)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">toExpand</span></td>
        <td>The object to expand</td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_GetAllSelectedObjects_" data-uid="Terminal.Gui.TreeView`1.GetAllSelectedObjects*"></a>
  <h4 id="Terminal_Gui_TreeView_1_GetAllSelectedObjects" data-uid="Terminal.Gui.TreeView`1.GetAllSelectedObjects">GetAllSelectedObjects()</h4>
  <div class="markdown level1 summary">
Returns <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_SelectedObject">SelectedObject</a> (if not null) and all multi selected objects if 
<a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_MultiSelect">MultiSelect</a> is true
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public IEnumerable&lt;T&gt; GetAllSelectedObjects()</code></pre>
  </div>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;T&gt;</td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_GetChildren_" data-uid="Terminal.Gui.TreeView`1.GetChildren*"></a>
  <h4 id="Terminal_Gui_TreeView_1_GetChildren__0_" data-uid="Terminal.Gui.TreeView`1.GetChildren(`0)">GetChildren(T)</h4>
  <div class="markdown level1 summary">
Returns the currently expanded children of the passed object.  Returns an empty
collection if the branch is not exposed or not expanded
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public IEnumerable&lt;T&gt; GetChildren(T o)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">o</span></td>
        <td>An object in the tree</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;T&gt;</td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_GetContentWidth_" data-uid="Terminal.Gui.TreeView`1.GetContentWidth*"></a>
  <h4 id="Terminal_Gui_TreeView_1_GetContentWidth_System_Boolean_" data-uid="Terminal.Gui.TreeView`1.GetContentWidth(System.Boolean)">GetContentWidth(Boolean)</h4>
  <div class="markdown level1 summary">
Returns the maximum width line in the tree including prefix and expansion symbols
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public int GetContentWidth(bool visible)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><span class="parametername">visible</span></td>
        <td>True to consider only rows currently visible (based on window
 bounds and <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_ScrollOffsetVertical">ScrollOffsetVertical</a>.  False to calculate the width of 
every exposed branch in the tree</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_GetParent_" data-uid="Terminal.Gui.TreeView`1.GetParent*"></a>
  <h4 id="Terminal_Gui_TreeView_1_GetParent__0_" data-uid="Terminal.Gui.TreeView`1.GetParent(`0)">GetParent(T)</h4>
  <div class="markdown level1 summary">
Returns the parent object of <code data-dev-comment-type="paramref" class="paramref">o</code> in the tree.  Returns null if 
the object is not exposed in the tree
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public T GetParent(T o)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">o</span></td>
        <td>An object in the tree</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_GetScrollOffsetOf_" data-uid="Terminal.Gui.TreeView`1.GetScrollOffsetOf*"></a>
  <h4 id="Terminal_Gui_TreeView_1_GetScrollOffsetOf__0_" data-uid="Terminal.Gui.TreeView`1.GetScrollOffsetOf(`0)">GetScrollOffsetOf(T)</h4>
  <div class="markdown level1 summary">
Returns the index of the object <code data-dev-comment-type="paramref" class="paramref">o</code> if it is currently exposed (it&apos;s 
parent(s) have been expanded).  This can be used with <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_ScrollOffsetVertical">ScrollOffsetVertical</a>
and <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_SetNeedsDisplay">SetNeedsDisplay()</a> to scroll to a specific object
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public int GetScrollOffsetOf(T o)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">o</span></td>
        <td>An object that appears in your tree and is currently exposed</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td>The index the object was found at or -1 if it is not currently revealed or
not in the tree at all</td>
      </tr>
    </tbody>
  </table>
  <h5 id="Terminal_Gui_TreeView_1_GetScrollOffsetOf__0__remarks">Remarks</h5>
  <div class="markdown level1 remarks">Uses the Equals method and returns the first index at which the object is found
 or -1 if it is not found</div>
  
  
  <a id="Terminal_Gui_TreeView_1_GoTo_" data-uid="Terminal.Gui.TreeView`1.GoTo*"></a>
  <h4 id="Terminal_Gui_TreeView_1_GoTo__0_" data-uid="Terminal.Gui.TreeView`1.GoTo(`0)">GoTo(T)</h4>
  <div class="markdown level1 summary">
Changes the <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_SelectedObject">SelectedObject</a> to <code data-dev-comment-type="paramref" class="paramref">toSelect</code> and scrolls to ensure
it is visible.  Has no effect if <code data-dev-comment-type="paramref" class="paramref">toSelect</code> is not exposed in the tree (e.g. 
its parents are collapsed)
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void GoTo(T toSelect)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">toSelect</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_GoToEnd_" data-uid="Terminal.Gui.TreeView`1.GoToEnd*"></a>
  <h4 id="Terminal_Gui_TreeView_1_GoToEnd" data-uid="Terminal.Gui.TreeView`1.GoToEnd">GoToEnd()</h4>
  <div class="markdown level1 summary">
Changes the <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_SelectedObject">SelectedObject</a> to the last object in the tree and scrolls so
that it is visible
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void GoToEnd()</code></pre>
  </div>
  
  
  <a id="Terminal_Gui_TreeView_1_GoToFirst_" data-uid="Terminal.Gui.TreeView`1.GoToFirst*"></a>
  <h4 id="Terminal_Gui_TreeView_1_GoToFirst" data-uid="Terminal.Gui.TreeView`1.GoToFirst">GoToFirst()</h4>
  <div class="markdown level1 summary">
Changes the <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_SelectedObject">SelectedObject</a> to the first root object and resets 
the <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_ScrollOffsetVertical">ScrollOffsetVertical</a> to 0
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void GoToFirst()</code></pre>
  </div>
  
  
  <a id="Terminal_Gui_TreeView_1_InvalidateLineMap_" data-uid="Terminal.Gui.TreeView`1.InvalidateLineMap*"></a>
  <h4 id="Terminal_Gui_TreeView_1_InvalidateLineMap" data-uid="Terminal.Gui.TreeView`1.InvalidateLineMap">InvalidateLineMap()</h4>
  <div class="markdown level1 summary">
Clears any cached results of <span class="xref">Terminal.Gui.TreeView`1.BuildLineMap</span>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">protected void InvalidateLineMap()</code></pre>
  </div>
  
  
  <a id="Terminal_Gui_TreeView_1_IsExpanded_" data-uid="Terminal.Gui.TreeView`1.IsExpanded*"></a>
  <h4 id="Terminal_Gui_TreeView_1_IsExpanded__0_" data-uid="Terminal.Gui.TreeView`1.IsExpanded(`0)">IsExpanded(T)</h4>
  <div class="markdown level1 summary">
Returns true if the given object <code data-dev-comment-type="paramref" class="paramref">o</code> is exposed in the tree and 
expanded otherwise false
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public bool IsExpanded(T o)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">o</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_IsSelected_" data-uid="Terminal.Gui.TreeView`1.IsSelected*"></a>
  <h4 id="Terminal_Gui_TreeView_1_IsSelected__0_" data-uid="Terminal.Gui.TreeView`1.IsSelected(`0)">IsSelected(T)</h4>
  <div class="markdown level1 summary">
Returns true if the <code data-dev-comment-type="paramref" class="paramref">model</code> is either the 
<a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_SelectedObject">SelectedObject</a> or part of a <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_MultiSelect">MultiSelect</a>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public bool IsSelected(T model)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">model</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_MouseEvent_" data-uid="Terminal.Gui.TreeView`1.MouseEvent*"></a>
  <h4 id="Terminal_Gui_TreeView_1_MouseEvent_Terminal_Gui_MouseEvent_" data-uid="Terminal.Gui.TreeView`1.MouseEvent(Terminal.Gui.MouseEvent)">MouseEvent(MouseEvent)</h4>
  <div class="markdown level1 summary">
Method invoked when a mouse event is generated
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public override bool MouseEvent(MouseEvent me)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Terminal.Gui.MouseEvent.html">MouseEvent</a></td>
        <td><span class="parametername">me</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><code>true</code>, if the event was handled, <code>false</code> otherwise.</td>
      </tr>
    </tbody>
  </table>
  <h5 class="overrides">Overrides</h5>
  <div><a class="xref" href="Terminal.Gui.Responder.html#Terminal_Gui_Responder_MouseEvent_Terminal_Gui_MouseEvent_">Responder.MouseEvent(MouseEvent)</a></div>
  
  
  <a id="Terminal_Gui_TreeView_1_OnObjectActivated_" data-uid="Terminal.Gui.TreeView`1.OnObjectActivated*"></a>
  <h4 id="Terminal_Gui_TreeView_1_OnObjectActivated_Terminal_Gui_ObjectActivatedEventArgs__0__" data-uid="Terminal.Gui.TreeView`1.OnObjectActivated(Terminal.Gui.ObjectActivatedEventArgs{`0})">OnObjectActivated(ObjectActivatedEventArgs&lt;T&gt;)</h4>
  <div class="markdown level1 summary">
Raises the <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_ObjectActivated">ObjectActivated</a> event
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">protected virtual void OnObjectActivated(ObjectActivatedEventArgs&lt;T&gt; e)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Terminal.Gui.ObjectActivatedEventArgs-1.html">ObjectActivatedEventArgs</a>&lt;T&gt;</td>
        <td><span class="parametername">e</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_OnSelectionChanged_" data-uid="Terminal.Gui.TreeView`1.OnSelectionChanged*"></a>
  <h4 id="Terminal_Gui_TreeView_1_OnSelectionChanged_Terminal_Gui_SelectionChangedEventArgs__0__" data-uid="Terminal.Gui.TreeView`1.OnSelectionChanged(Terminal.Gui.SelectionChangedEventArgs{`0})">OnSelectionChanged(SelectionChangedEventArgs&lt;T&gt;)</h4>
  <div class="markdown level1 summary">
Raises the SelectionChanged event
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">protected virtual void OnSelectionChanged(SelectionChangedEventArgs&lt;T&gt; e)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Terminal.Gui.SelectionChangedEventArgs-1.html">SelectionChangedEventArgs</a>&lt;T&gt;</td>
        <td><span class="parametername">e</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="Terminal_Gui_TreeView_1_PositionCursor_" data-uid="Terminal.Gui.TreeView`1.PositionCursor*"></a>
  <h4 id="Terminal_Gui_TreeView_1_PositionCursor" data-uid="Terminal.Gui.TreeView`1.PositionCursor">PositionCursor()</h4>
  <div class="markdown level1 summary">
Positions the cursor at the start of the selected objects line (if visible)
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public override void PositionCursor()</code></pre>
  </div>
  <h5 class="overrides">Overrides</h5>
  <div><a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_PositionCursor">View.PositionCursor()</a></div>
  
  
  <a id="Terminal_Gui_TreeView_1_ProcessKey_" data-uid="Terminal.Gui.TreeView`1.ProcessKey*"></a>
  <h4 id="Terminal_Gui_TreeView_1_ProcessKey_Terminal_Gui_KeyEvent_" data-uid="Terminal.Gui.TreeView`1.ProcessKey(Terminal.Gui.KeyEvent)">ProcessKey(KeyEvent)</h4>
  <div class="markdown level1 summary">
If the view is focused, gives the view a
chance to process the keystroke.
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public override bool ProcessKey(KeyEvent keyEvent)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Terminal.Gui.KeyEvent.html">KeyEvent</a></td>
        <td><span class="parametername">keyEvent</span></td>
        <td>Contains the details about the key that produced the event.</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h5 class="overrides">Overrides</h5>
  <div><a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_ProcessKey_Terminal_Gui_KeyEvent_">View.ProcessKey(KeyEvent)</a></div>
  <h5 id="Terminal_Gui_TreeView_1_ProcessKey_Terminal_Gui_KeyEvent__remarks">Remarks</h5>
  <div class="markdown level1 remarks">
<p>
  Views can override this method if they are
  interested in processing the given keystroke.
  If they consume the keystroke, they must
  return true to stop the keystroke from being
  processed by other widgets or consumed by the
  widget engine.    If they return false, the
  keystroke will be passed using the ProcessColdKey
  method to other views to process.
</p>
<p>
  The View implementation does nothing but return false,
  so it is not necessary to call base.ProcessKey if you
  derive directly from View, but you should if you derive
  other View subclasses.
</p>
</div>
  
  
  <a id="Terminal_Gui_TreeView_1_RebuildTree_" data-uid="Terminal.Gui.TreeView`1.RebuildTree*"></a>
  <h4 id="Terminal_Gui_TreeView_1_RebuildTree" data-uid="Terminal.Gui.TreeView`1.RebuildTree">RebuildTree()</h4>
  <div class="markdown level1 summary">
Rebuilds the tree structure for all exposed objects starting with the root objects.
Call this method when you know there are changes to the tree but don&apos;t know which 
objects have changed (otherwise use <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_RefreshObject__0_System_Boolean_">RefreshObject(T, Boolean)</a>)
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void RebuildTree()</code></pre>
  </div>
  
  
  <a id="Terminal_Gui_TreeView_1_Redraw_" data-uid="Terminal.Gui.TreeView`1.Redraw*"></a>
  <h4 id="Terminal_Gui_TreeView_1_Redraw_Terminal_Gui_Rect_" data-uid="Terminal.Gui.TreeView`1.Redraw(Terminal.Gui.Rect)">Redraw(Rect)</h4>
  <div class="markdown level1 summary">
Redraws this view and its subviews; only redraws the views that have been flagged for a re-display.
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public override void Redraw(Rect bounds)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Terminal.Gui.Rect.html">Rect</a></td>
        <td><span class="parametername">bounds</span></td>
        <td>The bounds (view-relative region) to redraw.</td>
      </tr>
    </tbody>
  </table>
  <h5 class="overrides">Overrides</h5>
  <div><a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Redraw_Terminal_Gui_Rect_">View.Redraw(Rect)</a></div>
  <h5 id="Terminal_Gui_TreeView_1_Redraw_Terminal_Gui_Rect__remarks">Remarks</h5>
  <div class="markdown level1 remarks">
<p>
   Always use <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Bounds">Bounds</a> (view-relative) when calling <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Redraw_Terminal_Gui_Rect_">Redraw(Rect)</a>, NOT <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Frame">Frame</a> (superview-relative).
</p>
<p>
   Views should set the color that they want to use on entry, as otherwise this will inherit
   the last color that was set globally on the driver.
</p>
<p>
   Overrides of <a class="xref" href="Terminal.Gui.View.html#Terminal_Gui_View_Redraw_Terminal_Gui_Rect_">Redraw(Rect)</a> must ensure they do not set <code>Driver.Clip</code> to a clip region
   larger than the <code>region</code> parameter.
</p>
</div>
  
  
  <a id="Terminal_Gui_TreeView_1_RefreshObject_" data-uid="Terminal.Gui.TreeView`1.RefreshObject*"></a>
  <h4 id="Terminal_Gui_TreeView_1_RefreshObject__0_System_Boolean_" data-uid="Terminal.Gui.TreeView`1.RefreshObject(`0,System.Boolean)">RefreshObject(T, Boolean)</h4>
  <div class="markdown level1 summary">
Refreshes the state of the object <code data-dev-comment-type="paramref" class="paramref">o</code> in the tree.  This will 
recompute children, string representation etc
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void RefreshObject(T o, bool startAtTop = false)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">o</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><span class="parametername">startAtTop</span></td>
        <td>True to also refresh all ancestors of the objects branch 
(starting with the root).  False to refresh only the passed node</td>
      </tr>
    </tbody>
  </table>
  <h5 id="Terminal_Gui_TreeView_1_RefreshObject__0_System_Boolean__remarks">Remarks</h5>
  <div class="markdown level1 remarks">This has no effect if the object is not exposed in the tree.</div>
  
  
  <a id="Terminal_Gui_TreeView_1_Remove_" data-uid="Terminal.Gui.TreeView`1.Remove*"></a>
  <h4 id="Terminal_Gui_TreeView_1_Remove__0_" data-uid="Terminal.Gui.TreeView`1.Remove(`0)">Remove(T)</h4>
  <div class="markdown level1 summary">
Removes the given root object from the tree
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void Remove(T o)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">T</span></td>
        <td><span class="parametername">o</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h5 id="Terminal_Gui_TreeView_1_Remove__0__remarks">Remarks</h5>
  <div class="markdown level1 remarks">If <code data-dev-comment-type="paramref" class="paramref">o</code> is the currently <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_SelectedObject">SelectedObject</a> then the
selection is cleared</div>
  
  
  <a id="Terminal_Gui_TreeView_1_SelectAll_" data-uid="Terminal.Gui.TreeView`1.SelectAll*"></a>
  <h4 id="Terminal_Gui_TreeView_1_SelectAll" data-uid="Terminal.Gui.TreeView`1.SelectAll">SelectAll()</h4>
  <div class="markdown level1 summary">
Selects all objects in the tree when <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_MultiSelect">MultiSelect</a> is enabled otherwise 
does nothing
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void SelectAll()</code></pre>
  </div>
  <h3 id="events">Events
  </h3>
  
  
  <h4 id="Terminal_Gui_TreeView_1_ObjectActivated" data-uid="Terminal.Gui.TreeView`1.ObjectActivated">ObjectActivated</h4>
  <div class="markdown level1 summary">
This event is raised when an object is activated e.g. by double clicking or 
pressing <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_ObjectActivationKey">ObjectActivationKey</a>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public event Action&lt;ObjectActivatedEventArgs&lt;T&gt;&gt; ObjectActivated</code></pre>
  </div>
  <h5 class="eventType">Event Type</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Action</span>&lt;<a class="xref" href="Terminal.Gui.ObjectActivatedEventArgs-1.html">ObjectActivatedEventArgs</a>&lt;T&gt;&gt;</td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <h4 id="Terminal_Gui_TreeView_1_SelectionChanged" data-uid="Terminal.Gui.TreeView`1.SelectionChanged">SelectionChanged</h4>
  <div class="markdown level1 summary">
Called when the <a class="xref" href="Terminal.Gui.TreeView-1.html#Terminal_Gui_TreeView_1_SelectedObject">SelectedObject</a> changes
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public event EventHandler&lt;SelectionChangedEventArgs&lt;T&gt;&gt; SelectionChanged</code></pre>
  </div>
  <h5 class="eventType">Event Type</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.EventHandler</span>&lt;<a class="xref" href="Terminal.Gui.SelectionChangedEventArgs-1.html">SelectionChangedEventArgs</a>&lt;T&gt;&gt;</td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h3 id="implements">Implements</h3>
  <div>
      <span class="xref">System.IDisposable</span>
  </div>
  <div>
      <span class="xref">System.ComponentModel.ISupportInitializeNotification</span>
  </div>
  <div>
      <span class="xref">System.ComponentModel.ISupportInitialize</span>
  </div>
  <div>
      <a class="xref" href="Terminal.Gui.ITreeView.html">ITreeView</a>
  </div>
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