Union Discriminator default

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Wed, 12/11/2019 - 11:55
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mmcbroom
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Last seen: 5 months 2 weeks ago
Joined: 10/23/2013
Posts: 43
Union discriminator value for default, invalid and fall-through cases

I am using the Dyanamic Data API's to send/receive toipcs with unions.  I have 3 questions about the proper way to handle the discriminator value when read/take a sample that contains a union. The descriminator value is needed in order for the data reader application code to know which field in the union data structure has valid data.

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