FrameworkElement events not supported

Question

FrameworkElement events not supported

Gavin Williams 721

I was trying to resolve an issue where 'multiple assemblies with the same identity have been imported" so I removed one of the assemblies (System.Runtime.InteropServices) but then i started getting this message ..

CS1545 Property, indexer, or event 'FrameworkElement.SizeChanged' is not supported by the language; try directly calling accessor methods 'FrameworkElement.add_SizeChanged(SizeChangedEventHandler)' or 'FrameworkElement.remove_SizeChanged(EventRegistrationToken)'

I added System.Runtime.InteropServices back in. But I haven't fixed it. Have I made a mistake and added the wrong nuget package back in?

Answer 1

Gavin Williams 721

I think the package i needed to add was: System.Runtime.InteropServcies.WindowsRuntime

Richard Zhang-MSFT 6,921 Reputation points

2020-03-16T04:45:59.857+00:00

Hi, did you solve your problem after adding this package?
Gavin Williams 721 Reputation points

2020-03-16T13:31:23.577+00:00

No, I don't think it did strangely. But I can't tell now, because my app is now in a broken state - refusing to run file loading code and throwing an unhelpful exception - System.IO.FileLoadException on code that was never touched and working earlier today. So until i figure that out ...
Richard Zhang-MSFT 6,921 Reputation points

2020-03-17T00:47:46.723+00:00

Hi, if you encounter new problem, you can open a new thread to ask question. If adding this package still doesn't solve your problem, please provide a minimum runnable demo to help us analyze your problem
Richard Zhang-MSFT 6,921 Reputation points

2020-03-20T08:17:06.8+00:00

Hello, has your issue been resolved?
Gavin Williams 721 Reputation points

2020-03-23T15:23:48.603+00:00

I'll have to close this for now, I have another issue to deal with, and I suspect this was just my own stuff-up.

FrameworkElement events not supported

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