Hey guys. Took a clip from your WinUI demo. Attached as simple user control. Using this version of WinUI SDK (from project file) and I get this odd error. How did you guys get that to work? If you want I can create a complete project. Demo source would help. Thanks.
<ItemGroup><PackageReference Include="Microsoft.WindowsAppSDK" Version="1.0.0-experimental1" />
<PackageReference Include="Microsoft.WindowsAppSDK.Foundation" Version="1.0.0-experimental1" />
<PackageReference Include="Microsoft.WindowsAppSDK.WinUI" Version="1.0.0-experimental1" />
<PackageReference Include="Microsoft.WindowsAppSDK.InteractiveExperiences" Version="1.0.0-experimental1" />
<Manifest Include="$(ApplicationManifest)" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Telerik.WinUI.Controls.Trial" Version="0.4.0" />
<Manifest Include="$(ApplicationManifest)" />
</ItemGroup>