GpiQueryLineEnd
This function returns the current line-end attribute.
Syntax
GpiQueryLineEnd(hps)
Parameters
- hps (HPS) - input
- Presentation-space handle.
Return Value
- lLineEnd (LONG) - returns
- Line end.
- LINEEND_DEFAULT (0L)
- Default
- LINEEND_FLAT (1L)
- Flat
- LINEEND_SQUARE (2L)
- Square
- LINEEND_ROUND (3L)
- Round
- LINEEND_ERROR (-1L)
- Error.
Remarks
This function is invalid when the drawing mode (see GpiSetDrawingMode) is set to retain.
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_IN_RETAIN_MODE (0x208C)
- An attempt was made to issue a function (for example, query) that is invalid when the actual drawing mode is not draw or draw-and-retain.
- 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.
Example Code
#define INCL_GPIPRIMITIVES /* Or use INCL_GPI, INCL_PM, */ #include <os2.h> HPS hps; /* Presentation-space handle. */ LONG lLineEnd; /* Line end. */ lLineEnd = GpiQueryLineEnd(hps);
This example uses GpiQueryLineEnd to return the current line-end attribute after setting the draw mode to DRAW.
#define INCL_GPIPRIMITIVES /* Primitive functions */ #define INCL_GPICONTROL /* Control functions */ #include <os2.h> HPS hps; /* Presentation-space handle */ LONG lLineEnd; /* Line end */ if (GpiSetDrawingMode(hps, DM_DRAW) == TRUE) lLineEnd = GpiQueryLineEnd(hps);