hps (HPS) - input
This can be either a micro presentation space or a normal presentation space (see "GpiCreatePS" in the Graphics Programming Interface Programming Reference).
lx (LONG) - input
ly (LONG) - input
hptrPointer (HPOINTER) - input
The pointer should be loaded using WinLoadPointer, WinCreatePointer, or WinCreatePointerIndirect.
ulHalftone (ULONG) - input
DP_NORMAL
rc (BOOL) - returns
TRUE