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Working With Our Own Files in C# 3 - Exceptions And More

In the previous part of the series on working with files of our own type, we created the basis of the application for saving and loading employees. Just because the application works doesn't mean it's done. When we learned that there can be a lot of errors when working with files, this applies even more for custom files. This part won't be only about errors. We'll also look at file associations.

Possible errors

Error 1. The *.employee file is not valid

Because extensions can be changed, anyone can overwrite the file extension, such as from *.docx to *.employee, and open the file. Try it.

There's nothing easier than wrapping the code for opening file


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Article description

Requested article covers this content:

The tutorial describes error handling in applications working with more advanced files in C# .NET. We'll look at opening files by double-clicking and more.

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Article has been written for you by Filip Smolík