h6. [[WindowManager]] h6(. » [[WindowManager Messages|Messages]] h6((. » [[Message Codes|Message Codes]] h6(((. » Message_ModeChange h2. Message_ModeChange h5. (Code &400C1) h4. Use This message is received when the screen mode has been changed. h4. Notes Calling [[Wimp_SetMode]] also causes this message to be broadcast. Applications should not acknowledge this call. After sending this message, the Wimp sends an [[Open_Window_Request]] message for each window. No window should be deleted. Any window that needs to be deleted should simply be marked as needing deletion and do the necessary work when you receive the Open_Window_Request. h4. See also * [[Message Codes]] * [[Open_Window_Request]] * [[Wimp_Poll]] * [[Wimp_SetMode]]