Casts an IComponent to a GtkComponent. If the component itself cannot be cast, it will try to cast it's internal component. Note that this method should only ever be executed from the GTK main thread.
Casts an IComponent to a GtkWidgetComponent. If the component itself cannot be cast, it will try to cast it's internal component. Note that this method should only ever be executed from the GTK main thread.
An interface that can be used to access the GTK application class.