Duplicate 'Compile' items were included. The .NET SDK includes 'Compile' items from your project directory by default. You can either remove these items from your project file, or set the 'EnableDefaultCompileItems' property to 'false' if you want to explicitly include them in your project file. For more information, see https://aka.ms/sdkimplicititems. The duplicate items were: 'Platforms\Shared\UserDialogs.cs'

Duplicate 'Compile' items were included. The .NET SDK includes 'Compile' items from your project directory by default. You can either remove these items from your project file, or set the 'EnableDefaultCompileItems' property to 'false' if you want to explicitly include them in your project file. For more information, see https://aka.ms/sdkimplicititems. The duplicate items were: 'Platforms\Shared\UserDialogs.cs'

Duplicate 'Compile' items were included. The .NET SDK includes 'Compile' items from your project directory by default. You can either remove these items from your project file, or set the 'EnableDefaultCompileItems' property to 'false' if you want to explicitly include them in your project file. For more information, see https://aka.ms/sdkimplicititems. The duplicate items were: 'Platforms\Shared\UserDialogs.cs'

The type or namespace name 'Windows' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'Windows' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'Windows' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'Windows' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'Windows' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'WindowsRuntime' does not exist in the namespace 'System.Runtime.InteropServices' (are you missing an assembly reference?)

The type or namespace name 'Windows' could not be found (are you missing a using directive or an assembly reference?)

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/setup-dotnet@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/