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Motif 2.1 Programmer's Reference
A clipboard function that deletes the last item placed on the clipboard
int XmClipboardUndoCopy ( display, window)
Display * display;
XmClipboardUndoCopy deletes the last item placed on the clipboard if the
item was placed there by an application with the passed display and
window arguments. Any data item deleted from the clipboard by the
original call to XmClipboardCopy is restored. If the display or
window IDs do not match the last copied item, no action is taken, and
this function has no effect.
displaySpecifies a pointer to the Display structure that was returned in a
previous call to XOpenDisplay or XtDisplay.
windowSpecifies the window ID of a widget that relates the application window to
the clipboard. The widget's window ID can be obtained through XtWindow.
The same application instance should pass the same window ID to each clipboard
function it calls.
XmClipboardSuccessThe function was successful.
XmClipboardLockedThe function failed because the clipboard was locked by another
application. The application can continue to call the function again with the
same parameters until the lock goes away. This gives the application the
opportunity to ask if the user wants to keep trying or to give up on the
(3) and XmClipboardStartCopy
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