diff -r 3145aadca3d2 -r 0c551e8818e0 External/Aga.Controls/Tree/Input/InputState.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/External/Aga.Controls/Tree/Input/InputState.cs	Sun May 27 15:16:19 2012 +0000
@@ -0,0 +1,37 @@
+using System;
+using System.Windows.Forms;
+namespace Aga.Controls.Tree
+{
+	internal abstract class InputState
+	{
+		private TreeViewAdv _tree;
+
+		public TreeViewAdv Tree
+		{
+			get { return _tree; }
+		}
+
+		public InputState(TreeViewAdv tree)
+		{
+			_tree = tree;
+		}
+
+		public abstract void KeyDown(System.Windows.Forms.KeyEventArgs args);
+		public abstract void MouseDown(TreeNodeAdvMouseEventArgs args);
+		public abstract void MouseUp(TreeNodeAdvMouseEventArgs args);
+
+		/// <summary>
+		/// handle OnMouseMove event
+		/// </summary>
+		/// <param name="args"></param>
+		/// <returns>true if event was handled and should be dispatched</returns>
+		public virtual bool MouseMove(MouseEventArgs args)
+		{
+			return false;
+		}
+
+		public virtual void MouseDoubleClick(TreeNodeAdvMouseEventArgs args)
+		{
+		}
+	}
+}