XESetFreeGC

Syntax

int (*XESetFreeGC(display, extension, proc))()
      Display *display;
      int extension;
      int (*proc)();

display	Specifies the connection to the X server.
extension	Specifies the extension number.
proc	Specifies the procedure to call when a GC is freed.

The XESetFreeGC() function defines a procedure to be called whenever a GC is freed. It returns any previously defined procedure, usually NULL.

When a GC is freed, your procedure is called with these arguments:


(*proc)(display, gc, codes)
	Display *display;
	GC gc;
	XExtCodes *codes;