diff --git a/Dashboard.Common/Pal/AppContext.cs b/Dashboard.Common/Pal/AppContext.cs
index fe4f1f7..7adba14 100644
--- a/Dashboard.Common/Pal/AppContext.cs
+++ b/Dashboard.Common/Pal/AppContext.cs
@@ -71,6 +71,17 @@ namespace Dashboard.Pal
             /// </summary>
             /// <returns>A physical window.</returns>
             public abstract IPhysicalWindow CreatePhysicalWindow();
+
+            /// <summary>
+            /// Create a physical window with a window manager.
+            /// </summary>
+            /// <returns>A physical window with the given window manager.</returns>
+            public IPhysicalWindow CreatePhysicalWindow(IWindowManager wm)
+            {
+                IPhysicalWindow window = CreatePhysicalWindow();
+                window.WindowManager = wm;
+                return window;
+            }
         #endregion
 
         public bool IsExtensionAvailable<T>() where T : IAppContextExtension