TouchPoint Properties | 
The TouchPoint type exposes the following members.
| Name | Description | |
|---|---|---|
| Force | 
            Force (default: 1.0).
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| Id | 
            Identifier used to track touch sources between events, must be unique within an event.
              | |
| RadiusX | 
            X radius of the touch area (default: 1.0).
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| RadiusY | 
            Y radius of the touch area (default: 1.0).
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| RotationAngle | 
            Rotation angle (default: 0.0).
              | |
| TangentialPressure | 
            The normalized tangential pressure, which has a range of [-1,1] (default: 0).
              | |
| TiltX | 
            The plane angle between the Y-Z plane and the plane containing both the stylus axis and the Y axis, in degrees of the range [-90,90], a positive tiltX is to the right (default: 0)
              | |
| TiltY | 
            The plane angle between the X-Z plane and the plane containing both the stylus axis and the X axis, in degrees of the range [-90,90], a positive tiltY is towards the user (default: 0).
              | |
| Twist | 
            The clockwise rotation of a pen stylus around its own major axis, in degrees in the range [0,359] (default: 0).
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| X | 
            X coordinate of the event relative to the main frame's viewport in CSS pixels.
              | |
| Y | 
            Y coordinate of the event relative to the main frame's viewport in CSS pixels. 0 refers to
            the top of the viewport and Y increases as it proceeds towards the bottom of the viewport.
              |