IWindowService Methods

Provides methods to display a view as a window and control it from the ViewModel.

Name	Description
Activate()	Brings the service’s window to the front and activates it.
Close()	Closes the service window.
Hide()	Hides the service’s window.
Restore()	Restores the service’s window.
Show(String, Object, Object, Object)	Shows a window with specified View and ViewModel.