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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 application.
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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 win-dow. window.
       dow. 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 currently open in the process.


KEYWORDS
       application, main window



Tk                                                   7.0                                    Tk_MainWindow(3)