Interface ITreeBuilder<T>

Interface for supplying data to a TreeView<T> on demand as root level nodes are expanded by the user

Namespace: Terminal.Gui.Trees

Assembly: Terminal.Gui.dll

Syntax

public interface ITreeBuilder<T>

Type Parameters

Name	Description
T

Properties

SupportsCanExpand

Returns true if CanExpand(T) is implemented by this class

Declaration

bool SupportsCanExpand { get; }

Property Value

Type	Description
System.Boolean

Methods

CanExpand(T)

Returns true/false for whether a model has children. This method should be implemented when GetChildren(T) is an expensive operation otherwise SupportsCanExpand should return false (in which case this method will not be called)

Declaration

bool CanExpand(T toExpand)

Parameters

Type	Name	Description
T	toExpand

Returns

Type	Description
System.Boolean

GetChildren(T)

Returns all children of a given forObject which should be added to the tree as new branches underneath it

Declaration

IEnumerable<T> GetChildren(T forObject)

Parameters

Type	Name	Description
T	forObject

Returns

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