diff -r 3145aadca3d2 -r 0c551e8818e0 External/Aga.Controls/Tree/Input/ColumnState.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/External/Aga.Controls/Tree/Input/ColumnState.cs	Sun May 27 15:16:19 2012 +0000
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Aga.Controls.Tree
+{
+	internal abstract class ColumnState : InputState
+	{
+		private TreeColumn _column;
+		public TreeColumn Column 
+		{
+			get { return _column; } 
+		}
+
+		public ColumnState(TreeViewAdv tree, TreeColumn column)
+			: base(tree)
+		{
+			_column = column;
+		}
+	}
+}