C# CredentialPicker - Windows 8 Metro App

CredentialPickerOptions options = new CredentialPickerOptions()
{
   AuthenticationProtocol = AuthenticationProtocol.Basic,
   CredentialSaveOption = Windows.Security.Credentials.UI.CredentialSaveOption.Hidden,
   CallerSavesCredential = false,
   Caption = "SAP Login",
   Message = "Bitte geben Sie Ihre SAP Anmeldedaten an",
   TargetName = "."

}; 

CredentialPickerResults results = await CredentialPicker.PickAsync(options);