Copyright (c) 1990 The Regents of the University of California.
Copyright (c) 1994-1996 Sun Microsystems, Inc.

See the file "license.terms" for information on usage and redistribution
of this file, and for a DISCLAIMER OF ALL WARRANTIES.

SCCS: @(#) MainWin.3 1.5 96/03/26 18:15:15

.so man.macros S Tk_MainWindow - find the main window for an application

#include <tk.h>
Tk_Window
Tk_MainWindow(interp)
 ARGUMENTS
.AS Tcl_Interp *pathName
.AP Tcl_Interp *interp in/out
Interpreter associated with the application.
E 
 DESCRIPTION

If interp is associated with a Tk application then Tk_MainWindow
returns the application's main window.
If there is no Tk application associated with interp then
Tk_MainWindow returns NULL and leaves an error message
in interp->result.

 KEYWORDS
application, main window