LostFocus event of usercontrol should fire only when focus moves out of usercontrol.

I have a User Control that has several children elements, including checkboxes and textboxes.

I would like to trigger the LostFocus event for my User Control only when the focus is lost on the entire User Control (e.g. clicking a button outside of the User Control).

Currently, the LostFocus event is also triggering when I move between children elements of my User Control, e.g. from one textbox to another.