GetGuideHRC
2.0
Retrieves the
guide structure being used in a recognition context HRC.
int GetGuideHRC( HRC hrc, LPGUIDE lpguide,
UINT FAR * lpnFirstVisible )
Parameters
hrc
Handle to the
HRC object.
lpguide
Address of a GUIDE structure; all coordinates
are in screen coordinates. This parameter cannot be NULL.
lpnFirstVisible
Pointer to
first visible character or line, or NULL. For boxed controls, this is the first
visible box (leftmost and topmost for left-right, top-down languages like
English). For other controls, this is the first visible character position
(left-most for English) in a single-line control, and the first visible line
(topmost for English) in multiline controls.
If set to
NULL, lpnFirstVisible is ignored.
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. |
See Also