public static extern UInt32 ymcSetIoDataValue( ref IO_DATA pIoData, UInt32 Value);
public static extern UInt32 ymcGetIoDataValue( ref IO_DATA pIoData, ref UInt32 pStoredValue);
public static extern UInt32 ymcSetIoDataBit( ref IO_DATA pIoData, UInt32 pStoredBitValue);