A1:The Build Action selections depends on your needs, you can refer to this table (Build action values) to see the usage of the items. The selections for Copt To Output Directory, when you choose Copy always means, the file will be copyed in bin/debug always when the project be built. For more details, you can see the options
part in Visual Studio: Copying files to Debug or Release folder
A2:You can set the above settings in the .csproj. eg: If you want to make Copy always for Copy To Output Directory in the .csproj as <CopyToOutputDirectory>Always</CopyToOutputDirectory>
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