Tk_GetNumMainWindows

Langue: en

Version: 7.0 (openSuse - 09/10/07)

Section: 3 (Bibliothèques de fonctions)





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.







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 interp->result.

Tk_GetNumMainWindows returns a count of the number of main windows currently open in the process.

KEYWORDS

application, main window