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Tk_MainWindow(3)




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NAME

       Tk_MainWindow,  Tk_GetNumMainWindows - functions for querying main win-
       dow information


SYNOPSIS

       #include <tk.h>

       Tk_Window
       Tk_MainWindow(interp)

       int
       Tk_GetNumMainWindows()


ARGUMENTS

       Tcl_Interp   *interp     (in/out)  Interpreter  associated   with   the
                                          application.
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DESCRIPTION

       A  main  window is a special kind of toplevel window used as the outer-
       most 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 interp->result.

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


KEYWORDS

       application, main window

Tk                                    7.0                     Tk_MainWindow(3)

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