<dl><dt><ahref="https://learn.microsoft.com/dotnet/api/system.func-2"target="_blank"rel="noopener noreferrer">Func</a>(<ahref="https://learn.microsoft.com/dotnet/api/system.string"target="_blank"rel="noopener noreferrer">String</a>, <ahref="https://learn.microsoft.com/dotnet/api/system.boolean"target="_blank"rel="noopener noreferrer">Boolean</a>)</dt><dd>The new function used to detect if an application setting exists.</dd></dl>