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Tk_SetWindowVisual(3) Tk Library Procedures Tk_SetWindowVisual(3)

_________________________________________________________________

NAME
       Tk_SetWindowVisual - change visual characteristics of win-
       dow

SYNOPSIS
       #include <tk.h>

       int
       Tk_SetWindowVisual(tkwin, visual, depth, colormap)

ARGUMENTS
       Tk_Window       tkwin	  (in)	    Token for window.

       Visual	       *visual	  (in)	    New	 visual	 type  to
					    use for tkwin.

       int	       depth	  (in)	    Number  of	bits  per
					    pixel   desired   for
					    tkwin.

       Colormap	       colormap	  (in)	    New	   colormap   for
					    tkwin, which must  be
					    compatible	     with
					    visual and depth.
_________________________________________________________________

DESCRIPTION
       When Tk creates a new window it	assigns	 it  the  default
       visual  characteristics	(visual, depth, and colormap) for
       its screen.  Tk_SetWindowVisual may be  called  to  change
       them.  Tk_SetWindowVisual must be called before the window
       has actually been created in X (e.g.  before  Tk_MapWindow
       or  Tk_MakeWindowExist  has  been invoked for the window).
       The safest thing is to call Tk_SetWindowVisual immediately
       after  calling Tk_CreateWindow.	If tkwin has already been
       created	before	Tk_SetWindowVisual  is	called	then   it
       returns	0  and	doesn't	 make  any changes;  otherwise it
       returns 1 to signify that the operation completed success-
       fully.

       Note:  Tk_SetWindowVisual should not be called if you just
       want to change a window's colormap  without  changing  its
       visual or depth; call Tk_SetWindowColormap instead.

KEYWORDS
       colormap, depth, visual

Tk			       4.0				1

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