| 摘要 |
A system includes an active touch surface, the active touch surface being configured to receive a selection action from a pointer, an x-y coordinate system, the x-y coordinate system being configured to output position data relating to the position of the pointer on the active touch surface, and a processing device. The processing device in communication with the x-y coordinate system and the active touch surface, the processing device being configured to determine the position of the pointer using the position data, and the processing device being configured to determine if the active touch surface has received the selection action from the pointer
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