public static extern int KSJ_SetParam(int nChannel, KSJ_PARAM Param, int nValue);
public static extern int KSJ_GetParam(int nChannel, KSJ_PARAM Param, ref int pnValue);
public static extern int KSJ_GetParamRange(int nChannel, KSJ_PARAM Param, ref int pnMinValue, ref int pnMaxValue);