using System;

using System.Collections.Generic;

using System.Text;

using System.Collections;

namespace Aga.Controls.Tree

{

	public interface ITreeModel

	{

		IEnumerable GetChildren(TreePath treePath);

		bool IsLeaf(TreePath treePath);

		event EventHandler<TreeModelEventArgs> NodesChanged; 

		event EventHandler<TreeModelEventArgs> NodesInserted;

		event EventHandler<TreeModelEventArgs> NodesRemoved; 

		event EventHandler<TreePathEventArgs> StructureChanged;

	}

}