How to use Lambda in this case?

Hi,

I have just simply case, in XAML code I have some storyboard


.....


I want to change property of one of my control after the storyboard will end, so I want to use completed event of storyboard:



....


 private void My Method(object sender, EventArgs e)
        {
MyControl.IsOpen = false;
        }

It's simply, but I wondering why I need to create some delegate and handling it by My Method just for change property.

If it's possible to do something like this (i don't know how exactly;)):

.....