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Pro C# 2010 and the .NET 4 Platform, Fifth Edition by Andrew Troelsen

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7.12. Summary

In this chapter, you examined the role of structured exception handling. When a method needs to send an error object to the caller, it will allocate, configure, and throw a specific System.Exception derived type via the C# throw keyword. The caller is able to handle any possible incoming exceptions using the C# catch keyword and an optional finally scope.

When you are creating your own custom exceptions, you ultimately create a class type deriving from System.ApplicationException, which denotes an exception thrown from the currently executing application. In contrast, error objects deriving from System.SystemException represent critical (and fatal) errors thrown by the CLR. Last but not least, this chapter illustrated various tools ...

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