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Example of a controller taking IOptionsSnapshot<T> as a parameter to the constructor
public class HomeController : Controller
{
private readonly MyAppSettings _settings;
public HomeController(IOptionsSnapshot<MyAppSettings> settings)
{
_settings = settings?.Value ?? throw new ArgumentNullException(nameof(settings));
}
public IActionResult Index()
{
return View(_settings);
}
public IActionResult Error()
{
return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
}
}
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