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# Class TreeBuilder<T>

Abstract implementation of ITreeBuilder<T>.

##### Inheritance

System.Object
TreeBuilder<T>
DelegateTreeBuilder<T>
TreeNodeBuilder

##### Implements

ITreeBuilder<T>

##### Inherited Members

System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()

###### Namespace: Terminal.Gui.Trees

###### Assembly: Terminal.Gui.dll

##### Syntax

    public abstract class TreeBuilder<T> : ITreeBuilder<T>

##### Type Parameters

Name | Description
--- | ---
T |

### Constructors

#### TreeBuilder(Boolean)

Constructs base and initializes SupportsCanExpand

##### Declaration

    public TreeBuilder(bool supportsCanExpand)

##### Parameters

Type | Name | Description
--- | --- | ---
System.Boolean | supportsCanExpand | Pass true if you intend to implement CanExpand(T) otherwise false

### Properties

#### SupportsCanExpand

##### Declaration

    public bool SupportsCanExpand { get; protected set; }

##### Property Value

Type | Description
--- | ---
System.Boolean |

### Methods

#### CanExpand(T)

Override this method to return a rapid answer as to whether GetChildren(T) returns results. If you are implementing this method ensure you passed true in base constructor or set SupportsCanExpand

##### Declaration

    public virtual bool CanExpand(T toExpand)

##### Parameters

Type | Name | Description
--- | --- | ---
T | toExpand |

##### Returns

Type | Description
--- | ---
System.Boolean |

#### GetChildren(T)

##### Declaration

    public abstract IEnumerable<T> GetChildren(T forObject)

##### Parameters

Type | Name | Description
--- | --- | ---
T | forObject |

##### Returns

Type | Description
--- | ---
System.Collections.Generic.IEnumerable<T> |

### Implements

ITreeBuilder<T>