Norris的专栏

Ah, in actual fact, there's a better way I just found: VS -> Debug -> Exceptions... Or keys: Ctrl + D, E You can see all the Exceptions, especially in 'Common Language Runtime Exceptions -> System'

As I am a new C# programmer, but I programmed in Java for many years, I often use singleton pattern when I want to keep only one instance in a program. Today when I continue reading C# grammar, I sudd