C# Programming Cookbook

Exception handling in asynchronous programming

Exception handling in asynchronous programming has always been a challenge. This was especially true in the catch blocks. As of C# 6, you are now allowed to write asynchronous code inside the catch and finally block of your exception handlers.

Getting ready

The application will simulate the action of reading a logfile. Assume that a third-party system always makes a backup of the logfile before processing it in another application. While this processing is happening, the logfile is deleted and recreated. Our application, however, needs to read this logfile on a periodic basis. We, therefore, need to be prepared for the case where the file does not exist in the location we expect it in. Therefore, we ...