| Name | Description | |
|---|---|---|
 | AbsoluteTime | touch event time |
| ContactSize | the size of the contact area in pixels |
| Flags | A set of bit flags that specify various aspects of touch point press, release, and motion. |
| Id | A touch point identifier that distinguishes a particular touch input |
| IsPrimaryContact | Is Primary Contact (The first touch sequence) |
| IsTouchDown | Specifies that the corresponding touch point was established through a new contact |
| IsTouchInRange | Specifies that a touch point is in range |
| IsTouchMove | Specifies that movement occurred |
| IsTouchNoCoalesce | specifies that this input was not coalesced. |
| IsTouchPalm | The touch event came from the user's palm |
| IsTouchPen | Specifies that the touch point is associated with a pen contact |
| IsTouchUp | Specifies that a touch point was removed |
| Location | Touch client coordinate in pixels |
| Mask | mask which fields in the structure are valid |
| Time | touch event time from system up |