diff --git a/include/wx/gtk/window.h b/include/wx/gtk/window.h
index bceb28c0a2..cd5b5c16a5 100644
--- a/include/wx/gtk/window.h
+++ b/include/wx/gtk/window.h
@@ -112,6 +112,10 @@ public:
     // OnInternalIdle
     virtual void OnInternalIdle();
 
+    // For delayed background 
+    void GtkSetBackgroundColour( const wxColour &colour );
+    void GtkSetForegroundColour( const wxColour &colour );
+    
     // For compatibility across platforms (not in event table)
     void OnIdle(wxIdleEvent& WXUNUSED(event)) {}
 
diff --git a/include/wx/gtk1/window.h b/include/wx/gtk1/window.h
index bceb28c0a2..cd5b5c16a5 100644
--- a/include/wx/gtk1/window.h
+++ b/include/wx/gtk1/window.h
@@ -112,6 +112,10 @@ public:
     // OnInternalIdle
     virtual void OnInternalIdle();
 
+    // For delayed background 
+    void GtkSetBackgroundColour( const wxColour &colour );
+    void GtkSetForegroundColour( const wxColour &colour );
+    
     // For compatibility across platforms (not in event table)
     void OnIdle(wxIdleEvent& WXUNUSED(event)) {}