XmClipboardInquireCount - A clipboard function that returns the number of data item formats
#include <Xm/Xm.h> #include <Xm/CutPaste.h>
int XmClipboardInquireCount (display, window, count, max_format_name_length)
Display * display;
int * count;
unsigned long * max_format_name_length;
XmClipboardInquireCount returns the number
of data item formats available for the data item in the clipboard. This function
also returns the maximum name-length for all formats in which the data item
Specifies a pointer to the Display
structure that was returned in a previous call to XOpenDisplay
Specifies a widget's window ID that relates the application
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.
Returns the number of data item formats available for the
data item in the clipboard. If no formats are available, this argument equals
zero. The count includes the formats that were passed by name.
Specifies the maximum length of all format names for the data
item in the clipboard.
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
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.