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XmClipboardInquireLength(3X)	   OSF/Motif	  XmClipboardInquireLength(3X)

NAME
       XmClipboardInquireLength - A clipboard function that returns the length
       of the stored data

SYNOPSIS
       #include <Xm/Xm.h> #include <Xm/CutPaste.h>

       int XmClipboardInquireLength  (display,	window,	 format_name,  length)
	    Display   *	 display;      Window	 window;      char	* for‐
       mat_name;      unsigned long* length;

DESCRIPTION
       XmClipboardInquireLength returns the length of the data stored under  a
       specified format name for the clipboard data item.  If no data is found
       for the specified format, or if there is no item on the clipboard, this
       function returns a value of zero.

       Any  format  passed  by	name is assumed to have the length passed in a
       call to XmClipboardCopy, even though the data has not yet  been	trans‐
       ferred  to  the	clipboard  in that format.  Specifies a pointer to the
       Display structure that was returned in a previous call to  XOpenDisplay
       or XtDisplay.  Specifies a widget's window ID that relates the applica‐
       tion window to the clipboard.  The widget's window ID can  be  obtained
       by  using XtWindow.  The same application instance should pass the same
       window ID to each of the clipboard functions that it calls.   Specifies
       the  name of the format for the data item.  Specifies the length of the
       next data item in the specified format.	This argument equals  zero  if
       no  data	 is  found for the specified format, or if there is no item on
       the clipboard.

RETURN VALUE
       The function is 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.	 The  function
       could  not  find	 data  on  the	clipboard  corresponding to the format
       requested.  This could occur because the clipboard is empty;  there  is
       data  on	 the clipboard but not in the requested format; or the data in
       the requested format was passed by name and is no longer available.

RELATED INFORMATION
       XmClipboardCopy(3X) and XmClipboardStartCopy(3X).

						  XmClipboardInquireLength(3X)

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