Wrap exception in another one, adding additional context : Exception Throw : Language Basics C# Examples

    
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);
                }
        }
}