diff --git a/CSharp/Libraries/UniversalEditor.UserInterface/IHostApplicationWindow.cs b/CSharp/Libraries/UniversalEditor.UserInterface/IHostApplicationWindow.cs
index 33aeaf9f..546d0741 100644
--- a/CSharp/Libraries/UniversalEditor.UserInterface/IHostApplicationWindow.cs
+++ b/CSharp/Libraries/UniversalEditor.UserInterface/IHostApplicationWindow.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using MBS.Framework.UserInterface;
 
 namespace UniversalEditor.UserInterface
 {
@@ -44,6 +45,8 @@ namespace UniversalEditor.UserInterface
 
 		Editor GetCurrentEditor();
 
+		Control ActiveControl { get; }
+
 		bool FullScreen { get; set; }
 
 		/// <summary>