diff -r 3145aadca3d2 -r 0c551e8818e0 External/Aga.Controls/Tree/ColumnCollection.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/External/Aga.Controls/Tree/ColumnCollection.cs	Sun May 27 15:16:19 2012 +0000
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Collections.ObjectModel;
+
+namespace Aga.Controls.Tree
+{
+	/*internal class ColumnCollection: Collection<Column>
+	{
+		public int TotalWidth
+		{
+			get
+			{
+				int res = 0;
+				foreach (Column c in Items)
+					res += c.Width;
+				return res;
+			}
+		}
+	}*/
+}