Common Exception Types
During my recently FrontLine trip I gave a talk on exception handling… One of the points I made is that if possible you should leverage one of the existing exception types in the BCL. I was asked a couple of times what the common exception types area. Typically I used it to plug the BCL poster, but I wanted to give you an online version of the data as well.
Next time you go to create a new exception, check here first. Use or subclass one of these if possible.
+--System.Object
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+--System.Exception
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+--System.SystemException
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+--System.ArgumentException
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| +--System.ArgumentNullException
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| +--System.ArgumentOutOfRangeException
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| +--System.DuplicateWaitObjectException
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+--System.ArithmeticException
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| +--System.DivideByZeroException
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| +--System.OverflowException
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| +--System.NotFiniteNumberException
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+--System.ArrayTypeMismatchException
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+--System.ExecutionEngineException
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+--System.FormatException
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+--System.IndexOutOfRangeException
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+--System.InvalidCastException
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+--System.InvalidOperationException
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| +--System.ObjectDisposedException
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+--System.InvalidProgramException
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+--System.IO.IOException
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| +--System.IO.DirectoryNotFoundException
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| +--System.IO.EndOfStreamException
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| +--System.IO.FileLoadException
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| +--System.IO.FileNotFoundException
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| +--System.IO.PathTooLongException
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+--System.NotImplementedException
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+--System.NotSupportedException
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+--System.NullReferenceException
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+--System.OutOfMemoryException
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+--System.RankException
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+--System.Security.SecurityException
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+--System.Security.VerificationException
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+--System.StackOverflowException
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+--System.Threading.SynchronizationLockException
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+--System.Threading.ThreadAbortException
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+--System.Threading.ThreadStateException
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+--System.TypeInitializationException
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+--System.UnauthorizedAccessException
