#include <windows.h>
#include <tchar.h>

int _tWinMain(HINSTANCE hInstance,
    HINSTANCE hPrevInstance,
    LPTSTR    lpCmdLine,
    int       cmdShow)
{
    BOOL enabled;

    SystemParametersInfo(SPI_GETDRAGFULLWINDOWS,
        NULL, &enabled, 0);

    //printf("Current 'dragfullwindow' option status: %dn", enabled);

    if (!enabled)
    {
        SystemParametersInfo(SPI_SETDRAGFULLWINDOWS,
            TRUE,
            NULL,
            SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
    }
    return 0;
}