WPF Application, Slider is missing Thumb/Thumb.DragCompleted event

Question

I\'m following along with a tutorial on how to use a slider in a WPF application. I created a slider. The tutorial tries to tell me what to do when a slider is repositioned so i

Answer 1

Don't worry about the message, just type <Slider Thumb.DragCompleted="Slider_DragCompleted"/> and run. Tell if you are not able to run the code. These are known issues, in some of the cases VS gives you such design time errors. But during runtime these errors dont rise.