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CentOS 7.0 - man page for xmupdatedisplay (centos section 3)

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XmUpdateDisplay(library call)					    XmUpdateDisplay(library call)

NAME
       XmUpdateDisplay -- A function that processes all pending exposure events immediately

SYNOPSIS
       void XmUpdateDisplay (widget)
	       Widget  widget;
       (void)

DESCRIPTION
       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
       occur.

       widget	 Specifies any widget or gadget.

								    XmUpdateDisplay(library call)
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