Defines the optional header fields to be included in the network messages produced by the writer group.
DISPID (Dispatch ID):
For more information, see NetworkMessageContentMask in .NET Reference.
 
            
DISPID (Dispatch ID):
For more information, see NetworkMessageContentMask in .NET Reference.
| Visual Basic | 
|---|
| Public Property NetworkMessageContentMask As UAUadpNetworkMessageContentMask | 
See NetworkMessageContentMask in .NET Reference.
For remarks, see NetworkMessageContentMask in .NET Reference.
For examples, see NetworkMessageContentMask in .NET Reference.