How do I create custom exceptions in .NET?

How do I create custom exceptions in .NET?

To create a custom exception in .NET, you can inherit from the Exception class. Here's a simple example:

public class MyCustomException : Exception
{
    public MyCustomException(string message) : base(message) {}
}

What should I include in my custom exception?

You should include a message, and optionally, you can add properties for error codes or additional context.

Can I add additional constructors to my custom exception?

Yes, you can add additional constructors to handle different scenarios, such as including inner exceptions or error codes.

How do I throw my custom exception?

You can throw your custom exception using the throw keyword, like this: throw new MyCustomException("An error occurred.");