public QuestionnaireCreationViewModel()
{
Title = AppResources.Questionnaire;
IMAViewModels = Enum.GetValues(typeof(ImpactMeasurementArea))
.OfType <ImpactMeasurementArea>().Select(x => new QuestionnaireCreationIMAViewModel(x, OnIMASelectedChanged)).ToArray();
TemplateViewModels.CollectionChanged += (_, __) => SubmitCommand.ChangeCanExecute();
}
private async Task ValidateProperty <TProperty>(object property)
{
var prop = (IValidatable <TProperty>)property;
if (prop.IsAsync)
{
await prop.ValidateAsync();
}
else
{
prop.Validate();
}
SubmitCommand.ChangeCanExecute();
}
