C# 4.0 Unleashed

Exception Handling

We start our journey through the world of exceptions by taking a look at the most common developer activity related to exceptions: structured handling of exceptions. The key ingredient to this is the use of the try-catch-finally statement. But first, we’ll ensure a proper understanding of the way exceptions flow in the system. Figure 23.1 shows the execution flow depending on whether an exception occurred, which was illustrated earlier in Chapter 8, “Basics of Exceptions and Resource Management,” Figure 8.19.

Figure 23.1. Flow of exceptions through a try-catch-finally statement.

The try block corresponds to a so-called protected ...