Manual Reference Pages - XMCLIPBOARDLOCK (3)
XmClipboardLock A clipboard function that locks the clipboard
int XmClipboardLock (display, window)
Display * display;
XmClipboardLock locks the clipboard from access by another
application until XmClipboardUnlock is called. All clipboard
functions lock and unlock the clipboard to prevent simultaneous
access. This function allows the application to keep the clipboard
data from changing between calls to Inquire and
other clipboard functions. The application does not need to
lock the clipboard between calls to XmClipboardStartCopy and
XmClipboardEndCopy or to XmClipboardStartRetrieve and
If the clipboard is already locked by another application,
XmClipboardLock returns an error status. Multiple calls to this
function by the same application increase the lock level.
Specifies a pointer to the Display structure that was returned in a
previous call to XOpenDisplay or XtDisplay.
Specifies the window ID of a widget that relates the application window to the
clipboard. The widgets window ID can be obtained through
The same application instance should pass the same window ID to each of the
clipboard functions that it calls.
The function was successful.
The 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 operation.
XmClipboardStartCopy(3), XmClipboardStartRetrieve(3), and
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