Are you talking about this panel? This lists all the events for a given control when in the Designer. You can access it by clicking the "Events" button in the Properties panel (see 1). Double-clicking in the field (2) causes Visual Studio to automatically generate a method stub.
Alternatively, if you're viewing the code, you can type the name of the control followed by "." to activate Intellisense, select the event you want to handle, then type "+=" and press Tab twice to achieve the same effect.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…