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3/12/2014
This function sets the callback function that the driver calls to provide multi-touch data.
Syntax
TouchPanelRegisterCallback(
PFN_TOUCH_PANEL_CALLBACK_EX pfnCallbackEx
);
Parameters
- pfnCallbackEx
[in] Pointer to a callback function that the driver calls to provide multi-touch data.
Return Value
A pointer to the prior callback function indicates success. A null pointer indicates failure.