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What are custom exceptions in C# and how do I create one?

An example of an AI chatbot conversation about custom exceptions in C# programming.

😀
You

What are custom exceptions in C# and how do I create one?

MagicBuddy
MagicBuddy

Custom exceptions in C# are user-defined exception classes that inherit from the Exception class. You create one by defining a new class.

😀
You

Can you show me a simple example of a custom exception?

MagicBuddy
MagicBuddy

Sure! Here's a basic example:

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

How do I throw this custom exception in my code?

MagicBuddy
MagicBuddy

You can throw it using the throw keyword like this:

throw new MyCustomException("This is a custom error message.");
😀
You

When should I use custom exceptions instead of built-in ones?

MagicBuddy
MagicBuddy

Use custom exceptions when you need to represent specific error conditions in your application that aren't covered by built-in exceptions.

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