Thread.ICallbackReferences Thread.Callback public interface Thread.ICallback : Widget.ICallback Show allInterface for callback methods of this class ObsoleteInherited MethodsOnExecuted#void OnExecuted(Thread widget)Raises the executed event.Parameters:widget (Thread)https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Threading/Thread.cs:131