Functions

The topics in this section provide the reference specifications for Touch Hit Testing functions.

In this section

TopicDescription

EvaluateProximityToPolygon

Returns the score of a polygon as the probable touch target (compared to all other polygons that intersect the touch contact area) and an adjusted touch point within the polygon.

EvaluateProximityToRect

Returns the score of a rectangle as the probable touch target, compared to all other rectangles that intersect the touch contact area, and an adjusted touch point within the rectangle.

PackTouchHitTestingProximityEvaluation

Returns the proximity evaluation score and the adjusted touch-point coordinates as a packed value for the WM_TOUCHHITTESTING callback.

RegisterTouchHitTestingWindow

Registers a window to process the WM_TOUCHHITTESTING notification

 

Related topics

Touch Hit Testing Reference

 

 

Community Additions

ADD
Show:
© 2014 Microsoft