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Date:Mon Mar 26 18:12:56 1997 
Subject:problem with XDoesBackingStore 
From:A . Sloman 
Volume-ID:970326.01 

Can anyone explain why this produces a mishap?

    XDoesBackingStore(XDefaultScreenOfDisplay(XptDefaultDisplay)) =>

    ;;; MISHAP - (LIVE) ScreenPtr NEEDED
    ;;; INVOLVING:  <pointer to Screen>
    ;;; DOING    :  mishap XptLiveTypeCheck XDoesBackingStore

What'st the difference between a <pointer to Screen> and
a ScreenPtr ???

Actually the real problem which led to this was trying to find a
way to stop "mouse droppings" in an rc_graphic window produced by
a "rubber band" program following a mouse being dragged across
the screen and triggering an asynchronous event handler.

This happens only when running X11R5 under SunOS. It doesn't happen with
Openwin, or on Alphastations running Digital Unix, or with Solaris on an
ultrasparc or SS2, or with an NCD Xterminal logged through to a sun.

Aaron