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Wrap exception in another one, adding additional context

using System; public class MyClass {     public void DoAverage()     {         try         {             int count = 0;             int average = 10 / count;         }         catch (DivideByZeroException e)         {                          throw (new DivideByZeroException(             "Count is zero in DoAverage()", e));         }     } } public class MainClass {     public static void Main()     {         MyClass my = new MyClass();         try         {             my.DoAverage();         }         catch (Exception e)         {             Console.WriteLine("Exception: {0}", e);         }     } } Exception: System.DivideByZeroException: Count is zero in DoAverage() --- System.DivideByZeroExcept ion: Attempted to divide by zero. at MyClass.DoAverage() --- End of inner exception stack trace --- at MyClass.DoAverage() at MainClass.Main()