Demonstates the possible uses of a finally block
/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
// Finally.cs -- Demonstates the possible uses of a finally block
//
// Compile this program with the following command line:
// C:>csc Finally.cs
//
namespace nsFinally
{
using System;
public class Finally
{
static public void Main ()
{
try
{
NoProblem ();
}
// No exception possible here. Use finally without a catch
finally
{
Console.WriteLine ("No problem at all\r\n");
}
try
{
SmallProblem ();
}
catch (clsException e)
{
Console.WriteLine (e.Message);
}
finally
{
Console.WriteLine ("But not big enough to exit\r\n");
}
try
{
BigProblem ();
}
catch (DivideByZeroException e)
{
Console.WriteLine (e.Message);
}
finally
{
Console.WriteLine ("But the finally block still executes.");
}
}
static public void NoProblem()
{
}
static public void SmallProblem ()
{
clsException ex = new clsException();
ex.Message = "Small problem encountered";
throw (ex);
}
static public void BigProblem ()
{
clsException ex = new clsException();
ex.Message = "Big trouble. Applicaion must end.";
throw (ex);
}
}
// Define a custom exception class just for a personalized message
public class clsException : Exception
{
new public string Message = null;
}
}
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