Reply To: WPF, The Design view cannot display correctly because some custom elements have

[Patrik [Tobii]]

Hello Stan!

I have not been able to reproduce this error, but after reading this Microsoft Connect article (and the workaround) I suspect this might have something to do with a platform target mismatch.

Are you perhaps referencing the x86 Tobii.EyeX.Client.Net.dll in a project that uses a x64 platform target (or vice versa)?

Best regards
Patrik