C#对象类型判断

  var isBed = e.Data.GetData(typeof(InPatsBedRecModel)) is InPatsBedRecModel;
  var isPatient = e.Data.GetData(typeof(InHospPatientVisitModel)) is InHospPatientVisitModel;
  if (isBed)
  {

  var isBed = (obj as object[])[1].GetType() == typeof(InPatsBedRecModel);
            var isPatient = (obj as object[])[1].GetType() == typeof(InHospPatientVisitModel);
            var patient = new InHospPatientVisitModel();
            if (isPatient)
                patient = (obj as object[])[1] as InHospPatientVisitModel;
            if (isBed)
            {
                var bed= (obj as object[])[1] as InPatsBedRecModel;
                patient = bed.BedPatient;
            }