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GetAlphabetHRC
- 0
Retrieves the alphabet being used in a handwriting recognition context HRC.
int GetAlphabetHRC( HRC hrc, LPALC lpalc, LPBYTE rgbfAlc )
Parameters
hrc
Handle to the HRC object.
lpalc
Address of a buffer that receives the current ALC_ values. If NULL, this
parameter is ignored.
rgbfAlc
Address of an array of bits or NULL. If NULL, this parameter is ignored. If lpalc contains ALC_USEBITMAP and rgbfAlc points to a valid array, the array is filled according to the bits set by the SetAlphabetHRC function.
Return Value
Returns HRCR_OK if successful; otherwise, returns one of the following
negative values:
Constant
| Description
| HRCR_ERROR
| Invalid parameter or other error.
| HRCR_MEMERR
| Insufficient memory.
| HRCR_UNSUPPORTED
| The recognizer does not support this function.
|
Comments
If rgbfAlc is not NULL, the array it points to must be large enough to accommodate 256
bits (32 bytes). If the nth bit is set, the nth ANSI character is recognizable. Bits representing characters with ASCII
values less than 32 (the space character) currently have no meaning.
ALC_DEFAULT specifies the set of characters at or above ALC_SYSMINIMUM that
the recognizer can accurately distinguish.
For a description of alphabets and their relationship to a recognizer, see
"Configuring the HRC" in Chapter 5, "The Recognition Process."
See Also
EnableGestureSetHRC, SetAlphabetHRC, GetAlphabetPriorityHRC, ALC_
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