private void RaiseMembershipSignInResponseCompleted(MembershipResponse response)
 {
     var membershipSignInResponseCompleted = this.MembershipSignInResponseCompleted;
     if (membershipSignInResponseCompleted != null)
         membershipSignInResponseCompleted(this, new MembershipRequestCompletedEventArgs(response));
 }
 internal MembershipRequestCompletedEventArgs(MembershipResponse response)
 {
     this.Response = response;
 }