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Manpages Tk_MainWindowSection: Tk Library Procedures (3)Updated: 7.0 Index Return to Main Contents NAMETk_MainWindow, Tk_GetNumMainWindows - functions for querying main window informationSYNOPSIS#include <tk.h> Tk_Window Tk_MainWindow(interp) int Tk_GetNumMainWindows() ARGUMENTS
DESCRIPTIONA 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. KEYWORDSapplication, main window
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