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...\" UpdateDi.sgm /main/7 1996/09/08 21:20:54 rws $
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.fl \" force out current output buffer
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\!!save /psv exch def currentpoint translate 0 0 moveto
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.sy sed -e 's/^/!/' \\$1\" bring in postscript file
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.ie \\*(f1 .ds f1 \\n(.f
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.el .ie \\*(f2 .ds f2 \\n(.f
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.el .ie \\*(f3 .ds f3 \\n(.f
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.el .ie \\*(f4 .ds f4 \\n(.f
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.el .tm ? font overflow
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.el .tm ? font underflow
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.ta 8n 16n 24n 32n 40n 48n 56n 64n 72n
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.TH "XmUpdateDisplay" "library call"
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\fBXmUpdateDisplay\fP \(em A function that processes all pending exposure events immediately
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void XmUpdateDisplay (\fIwidget\fP)
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\fBXmUpdateDisplay\fP provides the application with a mechanism for forcing all
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pending exposure events to be removed from the input queue and processed immediately\&.
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When a user selects a button within a menu pane, the menu panes are
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unposted and then any activation callbacks registered by the application
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are invoked\&. If one of the callbacks performs a time-consuming action,
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the portion of the application window that was covered by the menu panes
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will not have been redrawn; normal exposure processing does not occur until
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all of the callbacks have been invoked\&. If the
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application writer suspects that a callback
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will take a long time, then the callback may choose to invoke
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\fBXmUpdateDisplay\fP before starting its time-consuming operation\&.
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This function is also useful any time a transient window, such as a dialog box, is unposted;
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callbacks are invoked before normal exposure processing can occur\&.
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Specifies any widget or gadget\&.
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...\" created by instant / docbook-to-man, Sun 22 Dec 1996, 20:36