DependencyProperty not triggered

Question

I defined property in my usercontrol like this:

 public bool IsSelected 
 {
     get { return (bool)GetValue(IsSelectedProperty); }
     set
     {
                  


        

Answer 1

You should use a property changed handler in your dependency property directly. This way you ensure that it gets called when set in XAML:

public static readonly DependencyProperty IsSelectedProperty =
    DependencyProperty.Register("IsSelected", typeof(bool), typeof(ucMyControl), new PropertyMetadata(false, OnIsSelectedChanged));

private static void OnIsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
    // Implement change logic
}