Thank you for bringing this issue to my attention.
I can verify that it is a bug and I am logging it in our database for fixing. You can track the item's status by following this feedback portal item
, in which you can also vote or comment.
You can find attached a sample project, in which the problem is resolved with the use of a customized built-in dialog
. I suggest following it for your project and using the provided UserControl file.
Let me know if you need further assistance.
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