private void OnPropertyChanged(object sender, PropertyChangedEventArgs args)
{
// Sample of strongly typed property changed checking (MyToolkit only)
if (args.IsProperty<MvvmSamplePageModel>(i => i.DependentProperty))
{
// TODO: Add logic for handling DependentProperty change
}
}
/// <summary>Called when a property needs to be validated. </summary>
/// <param name="sender">The sender. </param>
/// <param name="args">The arguments. </param>
protected virtual void OnValidateProperty(object sender, PropertyChangedEventArgs args)
{
if (AutoValidateProperties &&
!args.IsProperty<ValidatedObservableObject>(o => o.HasErrors) &&
!args.IsProperty<ValidatedObservableObject>(o => o.InvalidProperties) &&
!args.IsProperty<ValidatedObservableObject>(o => o.InvariantErrors))
{
var propertyErrors = ValidateProperty(args.PropertyName);
SetPropertyErrors(args.PropertyName, propertyErrors);
var invariantErrors = ValidateInvariants();
SetPropertyErrors(string.Empty, invariantErrors);
}
}
private void UndoRedoManagerOnPropertyChanged(object sender, PropertyChangedEventArgs args)
{
if (args.IsProperty<UndoRedoManager>(i => i.CanUndo))
{
UndoCommand.RaiseCanExecuteChanged();
SaveDocumentCommand.RaiseCanExecuteChanged();
SaveDocumentAsCommand.RaiseCanExecuteChanged();
}
if (args.IsProperty<UndoRedoManager>(i => i.CanRedo))
RedoCommand.RaiseCanExecuteChanged();
}