Tk_MainLoop(3)

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NAME
       Tk_MainLoop  -  loop  for  events  until  all  windows are
       deleted

SYNOPSIS
       #include <<tk.h>>

       Tk_MainLoop()
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DESCRIPTION
       Tk_MainLoop is a procedure that loops  repeatedly  calling
       Tcl_DoOneEvent.   It returns only when there are no appli-
       cations left in this process (i.e. no main  windows  exist
       anymore).   Most windowing applications will call Tk_Main-
       Loop after  initialization;  the  main  execution  of  the
       application will consist entirely of callbacks invoked via
       Tcl_DoOneEvent.

KEYWORDS
       application, event, main loop