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XmUpdateDisplay(library call) XmUpdateDisplay(library call)
XmUpdateDisplay -- A function that processes all pending exposure events immediately
void XmUpdateDisplay (widget)
XmUpdateDisplay provides the application with a mechanism for forcing all pending exposure
events to be removed from the input queue and processed immediately. When a user selects
a button within a menu pane, the menu panes are unposted and then any activation callbacks
registered by the application are invoked. If one of the callbacks performs a time-consum-
ing action, the portion of the application window that was covered by the menu panes will
not have been redrawn; normal exposure processing does not occur until all of the call-
backs have been invoked. If the application writer suspects that a callback will take a
long time, then the callback may choose to invoke XmUpdateDisplay before starting its
time-consuming operation. This function is also useful any time a transient window, such
as a dialog box, is unposted; callbacks are invoked before normal exposure processing can
widget Specifies any widget or gadget.
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