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Save data (content) of CMS message
To save the payload (content, data) of the CMS message, use the Size property and Read() method of TElCMSContent object, accessed via TElCMSMessage.Content property.
FileStream f = new FileStream("mydata.txt", FileMode.Create);
try
{
byte[] buf = new byte[Msg.Content.Size];
Msg.Content.Read(ref buf, 0, buf.Length, 0);
f.Write(buf, 0, buf.Length);
}
finally
{
f.Close();
}