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Tk_MainWindow(3)	      Tk Library Procedures		Tk_MainWindow(3)

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NAME
     Tk_MainWindow,  Tk_GetNumMainWindows  -  functions for querying main window
     information

SYNOPSIS
     #include <tk.h>

     Tk_Window
     Tk_MainWindow(interp)

     int
     Tk_GetNumMainWindows()

ARGUMENTS
     Tcl_Interp *interp (in/out)	Interpreter associated with the applica-
					tion.
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DESCRIPTION
     A main window is a special kind of toplevel window used  as  the  outermost
     window in an application.

     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
     interpreter interp's result.

     Tk_GetNumMainWindows returns a count of the number  of  main  windows  cur-
     rently open in the current thread.

KEYWORDS
     application, main window

Tk				       7.0			Tk_MainWindow(3)

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