PackTouchHitTestingProximityEvaluation function (winuser.h)
Returns the proximity evaluation score and the adjusted touch-point coordinates as a packed value for the WM_TOUCHHITTESTING callback.
Syntax
LRESULT PackTouchHitTestingProximityEvaluation(
[in] const TOUCH_HIT_TESTING_INPUT *pHitTestingInput,
[in] const TOUCH_HIT_TESTING_PROXIMITY_EVALUATION *pProximityEval
);
Parameters
[in] pHitTestingInput
The TOUCH_HIT_TESTING_INPUT structure that holds the data for the touch contact area.
[in] pProximityEval
The TOUCH_HIT_TESTING_PROXIMITY_EVALUATION structure that holds the score and adjusted touch-point data that the EvaluateProximityToPolygon or EvaluateProximityToRect function returns.
Return value
If this function succeeds, it returns the score and adjustedPoint values from TOUCH_HIT_TESTING_PROXIMITY_EVALUATION as an LRESULT. To retrieve extended error information, call the GetLastError function.
Remarks
Usually, this is the last function that's called in a WM_TOUCHHITTESTING handler.
Requirements
| Minimum supported client | Windows 8 [desktop apps only] |
| Minimum supported server | None supported |
| Target Platform | Windows |
| Header | winuser.h |
| Library | User32.lib |
| DLL | User32.dll |