MacHack 1996/MacHack 1996.toast/Hacks/Hacks ’90/Surovell Stuffƒ/GDResToggle.c

C/C++ Source or Header | 1990-06-05 | 386 b | 24 lines | [TEXT/KAHL]

/* #include <MacHeaders> */
#include <Color.h>

#define NULL        0L

pascal void GDeviceChanged(
    GDHandle    gdh )
= { 0x203C, 0x000A, 0x0007, 0xAB1D };


main()
{
GDHandle    curDevHdl, mainDevHdl;
short        curRes, newRes;

    mainDevHdl = GetMainDevice();
    curRes = (**mainDevHdl).gdResPref;
    newRes = (curRes == 4) ? 5 : 4;
    (**mainDevHdl).gdResPref = newRes;
    GDeviceChanged( mainDevHdl );
}