XRootWindow man page on HP-UX

XRootWindow man page on HP-UX

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XRootWindow*()							XRootWindow*()

Name
  XRootWindow,	 XRootWindowOfScreen,  RootWindow,  RootWindowOfScreen	–
  return root window ID.

Synopsis
  Window XRootWindow(display, screen_number)
	   Display *display;
	   int screen_number;
  Window XRootWindowOfScreen(screen)
	   Screen *screen;

Arguments
  display   Specifies  a  connection  to  an  X	 server;  returned   from
	    XOpenDisplay().

  screen_number
	    Specifies the appropriate screen number on the host server.

  screen    Specifies the appropriate Screen structure.

Returns
  The window ID.

Description
  XRootWindow()	 and  XRootWindowOfScreen() return the root window of the
  specified screen.  The only difference between them is their arguments.
  These	 are  useful  as arguments of functions that need a drawable of a
  particular screen (such as XCreatePixmap()  or  XCreateGC()),	 and  for
  creating top-level windows.

  The C language macros RootWindow() and RootWindowOfScreen() are equiva‐
  lent and slightly more efficient.

See Also
  XDefaultRootWindow*().

Xlib - Macro Equivalents					XRootWindow*()

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