HttpClientCertificate.IsPresent Property    
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets a value that indicates whether the client certificate is present.
public:
 property bool IsPresent { bool get(); };public bool IsPresent { get; }member this.IsPresent : boolPublic ReadOnly Property IsPresent As BooleanProperty Value
true if the client certificate is present; otherwise, false.