BoucherS, Thank you for the quick reply. I can confirm that your change eliminates the error from the Designer. However, I'm also getting a runtime error, and that persists even with the change. The error is:
Object of type 'System.RuntimeType' cannot be converted to type 'System.Collections.IList'.
From your comment, it sounds like you are not getting the runtime error. I wonder what we are doing differently. I've tried to replicate the example in as much detail as possible. I'm using Visual Studio 2015 running .NET 4.5.2. I can't ask you to help me troubleshoot this, but if you have any ideas, please let me know.
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