public static extern int SetTransBufferExCallBack(TransBufferCallBackEx function, int userValue);
public static extern int SetTransBufferExCallBack(TransBufferCallBackEx function, int userValue);
public static extern int SetTransBufferExCallBack(TransBufferCallBackEx function, int userValue);
public static extern int SetTransBufferExCallBack(TransBufferCallBackEx function, int userValue);