processexception.cs

Csharp实例编程百例.rar

using System;
using System.IO;

public class ProcessException
{
	public static void Main()
	{
		StreamWriter sw = null;

		try
		{
			sw = new StreamWriter(new FileStream("Test.txt",FileMode.Open));
			sw.WriteLine("Hello there");
			Console.WriteLine("Message is written into file Test.txt");
		}
		catch(FileNotFoundException fnfe)
		{
			Console.WriteLine("File "+fnfe.FileName+" not found");
		}
		catch(Exception e)
		{
			Console.WriteLine(e);
		}
		finally
		{
			if (sw!=null)
			{
				sw.Close();
			}
		}
	}
}