C# File copy application, Learning file manipulation [source code attached]

File copy
This is a simple file copy application in which you will going know about file handling functions and also some threading concepts available in C#

Overview of application

• Developed in visual studio 2008, language C#
• It's a Windows forms application
• Only one instance can run at a time (using SingleExecution.cs)
• FileCopy.cs contain main logic for program
• Defination.cs is a static class holding the labels used within program
• Download : Source code, Application

Screen shots