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 _floodfill_w()          Get currently active screen page

 #include   <graph.h>

 short _getactivepage(void);

    _getactivepage() returns the currently active video page; in OS/2, only
    page 0 is allowed.

    Returns:    Number of the active page.

 Portability:   Not supported by the ANSI standard.

   -------------------------------- Example ---------------------------------

        This program lets you flip between the first and second page.

    #include <conio.h>
    #include <graph.h>
    #include <time.h>
    #include <stdlib.h>

    void main()
    {
        short origv, origa;

        origa  = _getactivepage();
        origv  = _getvisualpage();

        _clearscreen(_GCLEARSCREEN);
        _setactivepage(0);
        _outtext("This is the first page.");
        _setvisualpage(0);
        getch();
        _setactivepage(1);
        _outtext("This is the second page.");
        _setvisualpage(1);
        getch();

        _setvideomode(_DEFAULTMODE);
        _setactivepage(origa);
        _setvisualpage(origv);
    }