Throwing Exceptions : Predefined Exception : Language Basics C# Examples

Throwing Exceptions

    
using  System;

class  MainClass
{
      static  void  Main()
      {
            string  arg  =  null;
            
            try
            {
                  if  (arg  ==  null)
                  {
                        ArgumentNullException  MyEx  =  new  ArgumentNullException();
                        throw  MyEx;
                  }
            }
            catch  (ArgumentNullException  e)
            {
                  Console.WriteLine("Message:  {0}",  e.Message);
            }
      }
}
    
   
  
   

Message: Value cannot be null.

Related in same category :
• Use the NullReferenceException.
• Handle ArgumentOutOfRangeException
• Check OverflowException for long
• Generate an index out-of-bounds exception
• Define exception variable in catch statement