It is compulsory for all classes whose objects can be thrown with throw statement to be derived from System.Exception class.

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Quizplus · Accepted Answer

In C#, it is not compulsory for all classes whose objects are thrown with the throw statement to be derived from System.Exception. However, it is a strong convention and best practice to do so for proper exception handling. Non-Exception derived objects can technically be thrown but will not be properly handled by catch blocks expecting Exception-derived objects.

It Is Compulsory for All Classes Whose Objects Can Be