private async void OnSignInOrOut() { // EEP, cheesy!! if (_signInButtonText == SIGN_IN) { StatusMessage = "Signing in"; SignInButtonText = SIGN_OUT; SignInButtonColor = new SolidColorBrush(Colors.Red); if (_officeGraphClient.Initialize()) { OnReload(); } } else { StatusMessage = "Signing out.."; SignInButtonText = SIGN_IN; SignInButtonColor = new SolidColorBrush(Colors.Green); await _officeGraphClient.SignOut(); _me = null; AnnounceProperty(nameof(Me)); _myImageBytes = null; AnnounceProperty(nameof(MyImage)); } StatusMessage = "Ok"; }