Description: LostFocus event for the RadDropDownList fires after PopupClosed and before SelectedIndexChanging events no matter that the user have not leave the control yet.

To reproduce:
- add a RadDropDownList with items
- subscribe for the LostFocus event
- open the drop down list and close it: the LostFocus event fires

Workaround:
Use RadDropDownList Leave event:

this.radDropDownList1.Leave += radDropDownList1_Leave;