TreeView.GetNewSelectionFunction

public delegate List<int> GetNewSelectionFunction(IMGUI.Controls.TreeViewItem clickedItem, bool keepMultiSelection, bool useActionKeyAsShift);

Parameters

clickedItem	The item clicked, or selected via keyboard.
keepMultiSelection	Should existing selection be kept? This is used to support dragging or right-clicking one item in a multi-selection.
useShiftAsActionKey	Should the action key be treated like the shift key? If so, the action key also indicates a range selection.

A callback which determines how TreeView handles selection changes in response to keys and mouse clicks.