GpiQueryPickAperturePosition
Description
This function returns the position of the center of the pick aperture.
Syntax
#define INCL_GPICORRELATION /* Or use INCL_GPI, INCL_PM, */ #include <os2.h> HPS hps; /* Presentation-space handle. */ PPOINTL pptlPoint; /* Pick-aperture position. */ BOOL rc; /* Success indicator. */ rc = GpiQueryPickAperturePosition(hps, pptlPoint);
Parameters
- hps (HPS) - input
- Presentation-space handle.
- pptlPoint (PPOINTL) - output
- Pick-aperture position.
Position of the center of the pick aperture, in presentation-page coordinates.
Return Code
- rc (BOOL) - returns
- Success indicator.
- TRUE
- Successful completion
- FALSE
- Error occurred.
Errors
Possible returns from WinGetLastError
- PMERR_INV_HPS (0x207F)
- An invalid presentation-space handle was specified.
- PMERR_PS_BUSY (0x20F4)
- An attempt was made to access the presentation space from more than one thread simultaneously.
- PMERR_INV_DC_TYPE (0x2060)
- An invalid type parameter was specified with DevOpenDC, or a function was issued that is invalid for a OD_METAFILE_NOQUERY device context.