working with files and folder is more easy for that simply search on google and get no of examples:
well I am giving som esort of help:

using System.IO;

if(Directory.Exists(FileDestination)==false)
{
Directory.CreateDirectory(FileDestination);
}


if(File.Exists(sDestFile)==false)
{
File.Move(sMoveFile,sDestFile);
}
else
{
File.Delete(sDestFile);
File.Move(sMoveFile,sDestFile);
}


Try this ..