C#?eventhandler?eventargs

public event EventHandler Click;

Click?EventHandler

button.CLickEventHandler?ev1?

C#?EventHandler?delegate?delegate

public delegate void CustomEventHandler(object sender, CustomEventArgs a);

C#?EventHandler<T>?

eventevent?event?

public event CustomEventHandler RaiseCustomEvent;

C#?

public event EventHandler<CustomEventArgs> RaiseCustomEvent;