TouchEvent Properties

Id of a touch point. Must be unique per touch, can be any number except -1. Note that a maximum of 16 concurrent touches will be tracked; touches beyond that will be ignored.

Bit flags describing any pressed modifier keys.

The device type that caused the event.

The normalized pressure of the pointer input in the range of [0,1]. Set to 0 if not applicable.

X radius in pixels. Set to 0 if not applicable.

Y radius in pixels. Set to 0 if not applicable.

Rotation angle in radians. Set to 0 if not applicable.

The state of the touch point. Touches begin with one Pressed event followed by zero or more Moved events and finally one Released or Cancelled event. Events not respecting this order will be ignored.

X coordinate relative to the left side of the view.

Y coordinate relative to the top side of the view.