public static extern void MQGET(int hConn, int hObj, ref MQMD mqmd, ref MQGMO mqgmo, int bufferLength, [Out] byte[] buffer, out int dataLength, out int compCode, out int reason);
public static extern void MQPUT(int hConn, int hObj, ref MQMD mqmd, ref MQPMO mqpmo, int length, [In] byte[] buffer, out int compCode, out int reason);