1 files changed, 30 insertions, 0 deletions
diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Document/IUndoableOperation.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Document/IUndoableOperation.cs
new file mode 100644
index 000000000..2e19c462c
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Document/IUndoableOperation.cs
@@ -0,0 +1,30 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+
+namespace Tango.Scripting.Editors.Document
+{
+	/// <summary>
+	/// This Interface describes a the basic Undo/Redo operation
+	/// all Undo Operations must implement this interface.
+	/// </summary>
+	public interface IUndoableOperation
+	{
+		/// <summary>
+		/// Undo the last operation
+		/// </summary>
+		void Undo();
+		
+		/// <summary>
+		/// Redo the last operation
+		/// </summary>
+		void Redo();
+	}
+	
+	interface IUndoableOperationWithContext : IUndoableOperation
+	{
+		void Undo(UndoStack stack);
+		void Redo(UndoStack stack);
+	}
+}