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MQSeries.net Forum Index » IBM MQ API Support » AMQMDNET Message issue

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liviur
PostPosted: Tue Nov 15, 2005 10:03 am    Post subject: AMQMDNET Message issue Reply with quote

Novice

Joined: 15 Nov 2005
Posts: 15
Environment: Win2K, C# program referencing AMQMDNET.dll

Looks like IBM folks forgot to (or didn't want to) port the MessageIdHex property of MQMessage (IBM.WMQAX namespace) to their .Net counterpart implementation (IBM.WMQ namespace).

Any ideas on how to obtain it?
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liviur
PostPosted: Thu Nov 17, 2005 6:01 am    Post subject: Got workaround Reply with quote

Novice

Joined: 15 Nov 2005
Posts: 15
Upon further investigation (using ildasm to look at IL in IBM.WMQAX) it turns out MessageIdHex is simply a method to convert the MessageId (byte[]) to string. I should have thought of that since MessageIdHex is not in the MQMD structure... Anyway, if anyone is interested here's a raw version of a utility class I wrote to perform the conversion (sorry for the formatting in this editor)

Code:

internal sealed class MQUtility
{
  static private readonly MQMessage dummyMessage = new MQMessage();
  static private readonly int MQMessageIdLen = dummyMessage.MessageId.GetLength(0);

internal static string MessageIdHex(MQMessage msg)
{         
  StringBuilder sb = new StringBuilder(MQMessageIdLen * 2); // hex representation of each byte; 2 digit wide
  foreach(byte b in msg.MessageId)
  {
    sb.AppendFormat("{0,2:X}", b);
  }
  return sb.ToString();
}

private MQUtility()   {}
}
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