What are custom exceptions in C# and how do I create one?
Custom exceptions in C# are user-defined exception classes that inherit from the Exception class. You create one by defining a new class.
Can you show me a simple example of a custom exception?
Sure! Here's a basic example:
public class MyCustomException : Exception
{
public MyCustomException(string message) : base(message) {}
}
How do I throw this custom exception in my code?
You can throw it using the throw
keyword like this:
throw new MyCustomException("This is a custom error message.");
When should I use custom exceptions instead of built-in ones?
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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