C# Class Open.Core.Helpers.TreeHelper

Utility methods for working with Tree data-structures.

Public Methods

Method	Description
DeselectChildren ( ITreeNode parent ) : int	Deselects all children of the given node.
FirstDescendent ( ITreeNode parent, FuncBool predicate ) : ITreeNode	Gets the first descendent node that matches the given predicate.
FirstRemainingParent ( ITreeNode root, ITreeNode orphan ) : ITreeNode	Retrieves the first ancestor of a node that still exists as a descendent of the root node. Useful for when a node is removed, and you want to move a view to the reamining parent.
FirstSelectedChild ( ITreeNode parent ) : ITreeNode	Retrieves the first selected child node.
HasSelectedChild ( ITreeNode parent ) : bool	Determines whether at least one of the children of the given node are selected.

Deselects all children of the given node.

public DeselectChildren ( ITreeNode parent ) : int
parent	ITreeNode	The node to deselect the children of.
return	int

Gets the first descendent node that matches the given predicate.

public FirstDescendent ( ITreeNode parent, FuncBool predicate ) : ITreeNode
parent	ITreeNode	The parent to look within.
predicate	FuncBool	The predicate used to match.
return	ITreeNode

Retrieves the first ancestor of a node that still exists as a descendent of the root node.

Useful for when a node is removed, and you want to move a view to the reamining parent.

public FirstRemainingParent ( ITreeNode root, ITreeNode orphan ) : ITreeNode
root	ITreeNode	The root node.
orphan	ITreeNode	The orphaned node.
return	ITreeNode

Retrieves the first selected child node.

public FirstSelectedChild ( ITreeNode parent ) : ITreeNode
parent	ITreeNode	The node to look within.
return	ITreeNode

Determines whether at least one of the children of the given node are selected.

public HasSelectedChild ( ITreeNode parent ) : bool
parent	ITreeNode	The parent to examine.
return	bool