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