--- a/window.h	Tue Nov 07 12:03:34 2006 +0000
+++ b/window.h	Tue Nov 07 12:51:34 2006 +0000
@@ -607,6 +607,7 @@
 void CallWindowTickEvent(void);
 void SetWindowDirty(const Window *w);
 void SendWindowMessage(WindowClass wnd_class, WindowNumber wnd_num, uint msg, uint wparam, uint lparam);
+void SendWindowMessageClass(WindowClass wnd_class, uint msg, uint wparam, uint lparam);
 
 Window *FindWindowById(WindowClass cls, WindowNumber number);
 void DeleteWindow(Window *w);