<PackageReference Include="System.Configuration.ConfigurationManager" Version="6.0.0-preview.5.21301.5" />

SettingsProviderAttribute

public sealed class SettingsProviderAttribute : Attribute
Specifies the settings provider used to provide storage for the current application settings class or property. This class cannot be inherited.
public string ProviderTypeName { get; }

Gets the type name of the settings provider.

public SettingsProviderAttribute(string providerTypeName)

Initializes an instance of the SettingsProviderAttribute class.

public SettingsProviderAttribute(Type providerType)

Initializes a new instance of the SettingsProviderAttribute class.