diff -r 3145aadca3d2 -r 0c551e8818e0 External/Aga.Controls/Tree/Input/ClickColumnState.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/External/Aga.Controls/Tree/Input/ClickColumnState.cs	Sun May 27 15:16:19 2012 +0000
@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+using System.Drawing;
+
+namespace Aga.Controls.Tree
+{
+	internal class ClickColumnState : ColumnState
+	{
+		private Point _location;
+
+		public ClickColumnState(TreeViewAdv tree, TreeColumn column, Point location)
+			: base(tree, column)
+		{
+			_location = location;
+		}
+
+		public override void KeyDown(KeyEventArgs args)
+		{
+		}
+
+		public override void MouseDown(TreeNodeAdvMouseEventArgs args)
+		{
+		}
+
+		public override bool MouseMove(MouseEventArgs args)
+		{
+			if (TreeViewAdv.Dist(_location, args.Location) > TreeViewAdv.ItemDragSensivity
+				&& Tree.AllowColumnReorder)
+			{
+				Tree.Input = new ReorderColumnState(Tree, Column, args.Location);
+				Tree.UpdateView();
+			}
+			return true;
+		}
+
+		public override void MouseUp(TreeNodeAdvMouseEventArgs args)
+		{
+			Tree.ChangeInput();
+			Tree.UpdateView();
+			Tree.OnColumnClicked(Column);
+		}
+	}
+}