.NET and COM Interoperability Handbook, The

Exception Handling in C#

One area where both C# and the .NET Framework significantly improve on C++ and COM/Win32 is in the area of exception handling. C# supports the same structured try/catch statements for exception handling that C++ has, but it adds a few key improvements. To use C# exception handling, simply enclose the code that may throw an exception inside a try block and then add catch blocks for each type of exception that you would like to handle. An example is as follows:

 try { Console.WriteLine("Enter the numerator"); string strNumerator=Console.ReadLine(); int intNumerator=int.Parse(strNumerator); Console.WriteLine("Enter the denominator"); string strDenominator=Console.ReadLine(); int intDenominator=int.Parse(strDenominator); ...