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EnableGestureSetHRC
- 0
Enables or disables recognition of specific gestures or collections of
gestures in an HRC object.
int EnableGestureSetHRC( HRC hrc, SYV syv, BOOL fEnable )
Parameters
hrc
Handle to the HRC object.
syv
Either a gesture SYV_ symbol value, such as SYV_COPY, or one or more of the
following GST_ constants combined using the bitwise-OR operator. Note that
individual SYV_ gesture symbol values cannot be combined with GST_ constants.
Constant
| Description
| GST_SEL
| Selection and lasso.
| GST_CLIP
| Cut, copy, paste.
| GST_WHITE
| Space, tab, return.
| GST_EDIT
| Insert, correct, undo.
| GST_CIRCLELO
| Lowercase circle gestures.
| GST_CIRCLEUP
| Uppercase circle gestures.
| GST_CIRCLE
| All circle gestures.
| GST_ALL
| All gestures.
|
fEnable
Enable recognition flag. This flag must be set to TRUE to enable recognition
of the gesture or gestures in syv, or to FALSE to disable recognition of the specified gestures.
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
The results of EnableGestureSetHRC are cumulative. The function can be called several times in succession to
refine the precise gesture set required. However, calling EnableGestureSetHRC with syv set to GST_ALL and fEnable set to FALSE disables all gestures.
By default, a recognition context HRC enables all gestures that its associated recognizer supports.
Example
The following example enables selection, Clipboard functions, and
SYV_CIRCLEUPA:
EnableGestureSetHRC( hrc, GST_ALL, FALSE ); // Disable all
EnableGestureSetHRC( hrc, GST_SEL | GST_CLIP, TRUE ); // Enable sets
EnableGestureSetHRC( hrc, SYV_CIRCLEUPA, TRUE ); // Enable circle A
See Also
SetAlphabetHRC, SYV_
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