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Normal Topic UWP error immediatly after spash screen (Read 925 times)
Joachim
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UWP error immediatly after spash screen
Dec 1st, 2019 at 2:31pm
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Hi,

I tried to run the UWP.Diagram demo on my machine, but got the following error message immediatly after the splash screen:

System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentException: An item with the same key has already been added. Key: MindFusion.Diagramming.Diagram
at System.ThrowHelper.ThrowAddingDuplicateWithKeyArgumentException(Object key)
at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
at Microsoft.UI.Xaml.Markup.ReflectionXamlMetadataProvider.getXamlType(String typeName)
at Demo.Demo_XamlTypeI


I'm using VS 2019 (16.3.10) with UPW min and target version Windows 10, 1903 (Build 18362).

Any idea what's wrong here?

Thank you for your help!

Best regards,
Joachim
  
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Joachim
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I Love MindFusion!

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Re: UWP error immediatly after spash screen
Reply #1 - Dec 1st, 2019 at 2:50pm
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It turns out that setting the min version to "Windows 10 November Upadte (10.0, Build 10586)" solves the issue. Smiley

Best Regards,
Joachim
  
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