UltraTreeState Enumeration

using System.Diagnostics;
using Infragistics.Win.UltraWinTree;

private void Form1_Load(object sender, System.EventArgs e)
{

	// Add 2 KeyActionMappings so that if the user presses
	// the 'X' key (without also pressing the 'Alt' key)
	// the active node will toggle its expanded state.

	// The first mapping states that if the node is expandable
	// and its not already expanded or in edit mode and the
	// user presses the 'X' key then expand the node.
	 this.ultraTree1.KeyActionMappings.Add(
		new TreeKeyActionMapping( 
					// the key code
					Keys.X,
					// the action to take
					UltraTreeAction.ExpandNode,
					// disallowed state
					UltraTreeState.InEdit | UltraTreeState.NodeExpanded, 
					// required state 
					UltraTreeState.NodeExpandable, 
					// disallowed special keys
					Infragistics.Win.SpecialKeys.Alt, 
					// required special keys (none)
					0 ) );

	// The first mapping states that if the node is expanded
	// and its not in edit mode and the user presses the 'X' 
	// key then collapse the node.
	this.ultraTree1.KeyActionMappings.Add(
		new TreeKeyActionMapping( 
					// the key code
					Keys.X,
					// the action to take
					UltraTreeAction.CollapseNode,
					// disallowed state
					UltraTreeState.InEdit, 
					// required state
					UltraTreeState.NodeExpanded, 
					// disallowed special keys
					Infragistics.Win.SpecialKeys.Alt, 
					// required special keys (none)
					0 ) );

}