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ACCELEROMETER_MSGCALLBACK (Compact 2013)

  • Article

3/26/2014

This function sends messages to the device whenever new accelerometer messages are available.

Syntax

typedef DWORD ACCELEROMETER_MSGCALLBACK(
    SENSOR_MESSAGE_TYPE msgType,
    LPVOID pAccData,
    DWORD cbSizeAccData,
    __in_opt LPVOID plvCallbackParam
);

Parameters

  • msgType
    [in] SENSOR_MESSAGE_TYPE enumeration that indicates the message type, and can be one of the following:

    • MESSAGE_ACCELEROMETER_3D_STATE
    • MESSAGE_ACCELEROMETER_3D_DATA
    • MESSAGE_ACCELEROMETER_3D_DEVICE_ORIENTATION_CHANGE
  • pAccData
    [in] The message data.
  • cbSizeAccData
    [in] Size, in bytes, of the message data in the pAccData parameter.
  • plvCallbackParam
    [in] Pointer to any optional callback parameters.

Return Value

If the call succeeds, this function returns ERROR_SUCCESS.

Requirements

Header

accapi.h

See Also

Reference

Accelerometer COREDLL.DLL Callbacks
ACC_DATA