private BingMapsQueryResult(Response response, Exception exception, object userState)
 {
     this.Response = response;
     this.Error = exception;
     this.UserState = userState;
 }
 public BingMapsQueryResult(Response response)
     : this(response, null, null)
 {
 }
 public BingMapsQueryResult(Response response, object userState)
     : this(response, null, userState)
 {
 }