16. Exceptions

Exceptions in C# provide a structured, uniform, and type-safe way of handling both system-level and application-level error conditions. The exception mechanism in C# is quite similar to that of C++, with a few important differences.

Eric Lippert

The guidance on system-level and application-level exceptions used to be that all application exceptions should be derived from Application-Exception. This turned out to be a bad idea, and we no longer recommend this approach: Whether an exception comes from an application or the framework class library is almost always irrelevant.

• In C#, all exceptions must be represented by an instance of a class type derived from System.Exception. In C++, any value of any type can be used to represent ...

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