Listen Dependency Property is Changed without event in WPF

Listen Dependency Property is Changed without event in WPF

You wanna listen any dependency property of any object is changed without event or which does not have event,  here we go,

DependencyPropertyDescriptor dpd = DependencyPropertyDescriptor.FromProperty(TextBox.IsFocusedProperty,  typeof(TextBox));

dpd.AddValueChanged(txtName, (s, e)=>

{

     if(txtName.IsFocused)

                MessageBox.Show("Focused");

});