4 bit bitmap shows only as 1 bit

[Rick Gadbois]

I am trying to display a 16 shaded gray bitmap but it is always all black
pixels.

Have used call to set screen mode as follows:
UInt32 depth = 4;
Err err = WinScreenMode(winScreenModeSet, NULL, NULL,&depth, NULL);
but still all that is displayed is an all black bitmap.

Any suggestions anyone?
Thank You.


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