If no catch block is found, the CLR terminates the executing thread. If the currently executed method doesn't contain such a catch block, the CLR looks at the method that called the current method, and so on up the call stack. When an exception is thrown, the common language runtime (CLR) looks for the catch block that can handle this exception. Opposite to that, throw e updates the StackTrace property of e. Throw preserves the original stack trace of the exception, which is stored in the Exception.StackTrace property. Inside a catch block, you can use a throw statement to re-throw the exception that is handled by the catch block: try
For more information, see Creating and throwing exceptions. You can also define your own exception classes that derive from System.Exception. You can use the built-in exception classes, for example, ArgumentOutOfRangeException or InvalidOperationException.NET also provides the helper methods to throw exceptions in certain conditions: ArgumentNullException.ThrowIfNull and ArgumentException.ThrowIfNullOrEmpty. In a throw e statement, the result of expression e must be implicitly convertible to System.Exception.
Throw new ArgumentOutOfRangeException(nameof(shapeAmount), "Amount of shapes must be positive.") The throw statement throws an exception: if (shapeAmount <= 0)
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Use the try statement to catch and handle exceptions that might occur during execution of a code block. Use the throw statement to throw an exception. You use the throw and try statements to work with exceptions.
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