diff -r 3145aadca3d2 -r 0c551e8818e0 External/Aga.Controls/Tree/TreeModelEventArgs.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/External/Aga.Controls/Tree/TreeModelEventArgs.cs	Sun May 27 15:16:19 2012 +0000
@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Aga.Controls.Tree
+{
+	public class TreeModelEventArgs: TreePathEventArgs
+	{
+		private object[] _children;
+		public object[] Children
+		{
+			get { return _children; }
+		}
+
+		private int[] _indices;
+		public int[] Indices
+		{
+			get { return _indices; }
+		}
+
+		/// <summary>
+		/// 
+		/// </summary>
+		/// <param name="parent">Path to a parent node</param>
+		/// <param name="children">Child nodes</param>
+		public TreeModelEventArgs(TreePath parent, object[] children)
+			: this(parent, null, children)
+		{
+		}
+
+		/// <summary>
+		/// 
+		/// </summary>
+		/// <param name="parent">Path to a parent node</param>
+		/// <param name="indices">Indices of children in parent nodes collection</param>
+		/// <param name="children">Child nodes</param>
+		public TreeModelEventArgs(TreePath parent, int[] indices, object[] children)
+			: base(parent)
+		{
+			if (children == null)
+				throw new ArgumentNullException();
+
+			if (indices != null && indices.Length != children.Length)
+				throw new ArgumentException("indices and children arrays must have the same length");
+
+			_indices = indices;
+			_children = children;
+		}
+	}
+}