/// <summary>
/// Properties the name changed.
/// </summary>
/// <param name="dependencyObject">The dependency object.</param>
/// <param name="arg">The <see cref="DependencyPropertyChangedEventArgs"/> instance containing the event data.</param>
private static void PropertyNameChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs arg)
{
var control = (Control)dependencyObject;
var collection = new BehaviorCollection();
var validationBehavior = new ValidationBehavior()
{
PropertyName = arg.NewValue.ToString()
};
var changePropertyIsValidAction = new ChangePropertyAction
{
PropertyName = new PropertyPath(nameof(Control.Style)),
Value = null
};
var errorStyle = new Style
{
TargetType = typeof(Control)
};
errorStyle.Setters.Add(new Setter(Control.BorderBrushProperty, new SolidColorBrush(Colors.Red)));
var changePropertyIsInvalidAction = new ChangePropertyAction
{
PropertyName = new PropertyPath(nameof(Control.Style)),
Value = errorStyle
};
validationBehavior.WhenValidActions.Add(changePropertyIsValidAction);
validationBehavior.WhenInvalidActions.Add(changePropertyIsInvalidAction);
collection.Add(validationBehavior);
control.SetValue(Interaction.BehaviorsProperty, collection);
}
/// <summary>
/// Properties the name changed.
/// </summary>
/// <param name="dependencyObject">The dependency object.</param>
/// <param name="arg">The <see cref="DependencyPropertyChangedEventArgs"/> instance containing the event data.</param>
private static void PropertyNameChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs arg)
{
var control = (Control)dependencyObject;
_validationBehavior = new ValidationBehavior()
{
PropertyName = arg.NewValue.ToString()
};
control.Loaded += Control_Loaded;
}