Hi,
WFP is currently not supported in the Q&A forums, the supported products are listed over here: https://learn.microsoft.com/en-us/answers/products (more to be added later on).
Since original WPF forum has been closed, you might contact Microsoft Customer Support and Services to confirm whether there are corresponding engineers can support WFPSampler related question.
Here is the link:
https://support.microsoft.com/en-us/gp/customer-service-phone-numbers
Best Regards,
Candy
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