private async void Start(bool imported, int ID)
        {
            await Loading.Show();

            examinationViewValid = new ExaminationViewValid();
            ExaminationViewVM    = new ExaminationViewVM(imported, ID);
            this.DataContext     = ExaminationViewVM;
            InitializeComponent();
            ExaminationViewVM.ParameterPassingAfterLoad(ref content, new Func <bool>(() => examinationViewValid.Validate(examinationViewValid)), (bool x) => { }, (bool x) => { });
            validatorClass = examinationViewValid;
            ConnectValidators();
        }
 protected internal bool Dirty()
 {
     return(ExaminationViewVM.VMDirty());
 }