Tk_GetVRootGeometry(3Tk)			      Tk_GetVRootGeometry(3Tk)

NAME    [Toc]    [Back]

     Tk_GetVRootGeometry - Get location	and size of virtual root for window

SYNOPSIS    [Toc]    [Back]

     #include <tk.h>

     Tk_GetVRootGeometry(tkwin,	xPtr, yPtr, widthPtr, heightPtr)

ARGUMENTS    [Toc]    [Back]

     Tk_Window	 tkwin	     (in)      Token for window	whose virtual root is
				       to be queried.

     int	 xPtr	     (out)     Points to word in which to store	xoffset
 of virtual root.

     int	 yPtr	     (out)     Points to word in which to store	yoffset
 of virtual root.

     int	 widthPtr    (out)     Points to word in which to store	width |
				       of virtual root.

     int	 heightPtr   (out)     Points to word in which to store	height|
				       of virtual root.

DESCRIPTION    [Toc]    [Back]

     TkGetVRootGeometry	returns	geometry information about the virtual root
     window associated with tkwin.  The	``associated'' virtual root is the one
     in	which tkwin's nearest top-level	ancestor (or tkwin itself if it	is a
     top-level window) has been	reparented by the window manager.  This	window
     is	identified by a	__SWM_ROOT or __WM_ROOT	property placed	on the toplevel
 window by the window	manager.  If tkwin is not associated with a
     virtual root (e.g.	 because the window manager doesn't use	virtual	roots)
     then *xPtr	and *yPtr will be set to 0 and *widthPtr and *heightPtr	will
     be	set to the dimensions of the screen containing tkwin.

KEYWORDS    [Toc]    [Back]

     geometry, height, location, virtual root, width, window manager


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