csharp
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gui-cs.Terminal.Gui
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            <article class="content wrap" id="_content" data-uid="Terminal.Gui.Trees.TreeBuilder`1">
  
  
  <h1 id="Terminal_Gui_Trees_TreeBuilder_1" data-uid="Terminal.Gui.Trees.TreeBuilder`1" class="text-break">Class TreeBuilder&lt;T&gt;
  </h1>
  <div class="markdown level0 summary">
Abstract implementation of <a class="xref" href="Terminal.Gui.Trees.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"><span class="xref">TreeBuilder&lt;T&gt;</span></div>
      <div class="level2"><a class="xref" href="Terminal.Gui.Trees.DelegateTreeBuilder-1.html">DelegateTreeBuilder&lt;T&gt;</a></div>
      <div class="level2"><a class="xref" href="Terminal.Gui.Trees.TreeNodeBuilder.html">TreeNodeBuilder</a></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="Terminal.Gui.Trees.ITreeBuilder-1.html">ITreeBuilder</a>&lt;T&gt;</div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="Terminal.Gui.Trees.html">Terminal.Gui.Trees</a></h6>
  <h6><strong>Assembly</strong>: Terminal.Gui.dll</h6>
  <h5 id="Terminal_Gui_Trees_TreeBuilder_1_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public abstract class TreeBuilder&lt;T&gt; : Object, ITreeBuilder&lt;T&gt;</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_Trees_TreeBuilder_1__ctor_" data-uid="Terminal.Gui.Trees.TreeBuilder`1.#ctor*"></a>
  <h4 id="Terminal_Gui_Trees_TreeBuilder_1__ctor_System_Boolean_" data-uid="Terminal.Gui.Trees.TreeBuilder`1.#ctor(System.Boolean)">TreeBuilder(Boolean)</h4>
  <div class="markdown level1 summary">
Constructs base and initializes <a class="xref" href="Terminal.Gui.Trees.TreeBuilder-1.html#Terminal_Gui_Trees_TreeBuilder_1_SupportsCanExpand">SupportsCanExpand</a>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public TreeBuilder(bool supportsCanExpand)</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">supportsCanExpand</span></td>
        <td>Pass true if you intend to 
implement <a class="xref" href="Terminal.Gui.Trees.TreeBuilder-1.html#Terminal_Gui_Trees_TreeBuilder_1_CanExpand__0_">CanExpand(T)</a> otherwise false</td>
      </tr>
    </tbody>
  </table>
  <h3 id="properties">Properties
  </h3>
  <a id="Terminal_Gui_Trees_TreeBuilder_1_SupportsCanExpand_" data-uid="Terminal.Gui.Trees.TreeBuilder`1.SupportsCanExpand*"></a>
  <h4 id="Terminal_Gui_Trees_TreeBuilder_1_SupportsCanExpand" data-uid="Terminal.Gui.Trees.TreeBuilder`1.SupportsCanExpand">SupportsCanExpand</h4>
  <div class="markdown level1 summary">
Returns true if <a class="xref" href="Terminal.Gui.Trees.ITreeBuilder-1.html#Terminal_Gui_Trees_ITreeBuilder_1_CanExpand__0_">CanExpand(T)</a> is implemented by this class
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public bool SupportsCanExpand { get; protected 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>
  <h3 id="methods">Methods
  </h3>
  <a id="Terminal_Gui_Trees_TreeBuilder_1_CanExpand_" data-uid="Terminal.Gui.Trees.TreeBuilder`1.CanExpand*"></a>
  <h4 id="Terminal_Gui_Trees_TreeBuilder_1_CanExpand__0_" data-uid="Terminal.Gui.Trees.TreeBuilder`1.CanExpand(`0)">CanExpand(T)</h4>
  <div class="markdown level1 summary">
Override this method to return a rapid answer as to whether <a class="xref" href="Terminal.Gui.Trees.TreeBuilder-1.html#Terminal_Gui_Trees_TreeBuilder_1_GetChildren__0_">GetChildren(T)</a> 
returns results.  If you are implementing this method ensure you passed true in base 
constructor or set <a class="xref" href="Terminal.Gui.Trees.TreeBuilder-1.html#Terminal_Gui_Trees_TreeBuilder_1_SupportsCanExpand">SupportsCanExpand</a>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public virtual bool CanExpand(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></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_Trees_TreeBuilder_1_GetChildren_" data-uid="Terminal.Gui.Trees.TreeBuilder`1.GetChildren*"></a>
  <h4 id="Terminal_Gui_Trees_TreeBuilder_1_GetChildren__0_" data-uid="Terminal.Gui.Trees.TreeBuilder`1.GetChildren(`0)">GetChildren(T)</h4>
  <div class="markdown level1 summary">
Returns all children of a given <code data-dev-comment-type="paramref" class="paramref">forObject</code> which should be added to the 
tree as new branches underneath it
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public abstract IEnumerable&lt;T&gt; GetChildren(T forObject)</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">forObject</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.Collections.Generic.IEnumerable</span>&lt;T&gt;</td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h3 id="implements">Implements</h3>
  <div>
      <a class="xref" href="Terminal.Gui.Trees.ITreeBuilder-1.html">ITreeBuilder&lt;T&gt;</a>
  </div>
</article>
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