Important Notice
The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
GpiSetPickAperturePosition (1.2)
◄Function Group► ◄Overview► ◄Up► ◄Next► ◄Previous►
────────────────────────────────────────────────────────────────────────────
#define INCL_GPICORRELATION
BOOL GpiSetPickAperturePosition(hps, pptlPick)
HPS hps; /* presentation-space handle */
PPOINTL pptlPick; /* address of structure with center of pick aperture */
The GpiSetPickAperturePosition function sets the center of the pick
aperture, in presentation-page space, for subsequent non-retained
correlation operations.
Parameter Description
────────────────────────────────────────────────────────────────────────────
hps Identifies the presentation space.
pptlPick Points to the POINTL structure that contains the center of the
pick aperture.
Return Value
The return value is GPI_OK if the function is successful or GPI_ERROR if an
error occurred.
Errors
Use the WinGetLastError function to retrieve the error value, which may be
the following:
PMERR_INV_COORDINATE
PMERR_INV_HPS
PMERR_INV_PICK_APERTURE_POSN
PMERR_PS_BUSY
See Also
GpiQueryPickAperturePosition, GpiSetPickApertureSize, POINTL
♦