.NET Framework 4.6 and 4.5
protected override void OnInitialized(
The control raises the IsInitialized event by calling RaiseEvent. For more information, see Routed Events Overview.Notes to Inheritors
When overriding OnInitialized in a derived class, be sure to call the base class’s OnInitialized method so that registered delegates receive the event.
Supported in: 4.6, 4.5, 4, 3.5, 3.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1