The FileInfo.CopyTo is basically a wrapper around the Win32 API call “CopyFile” in the kernel32.dll. This method does not support progress callback. However, the CopyFileEx method does, and you can write your own .NET wrapper around it in a few minutes, like it is described here: http://www.pinvoke.net/default.aspx/kernel32.CopyFileEx
This method is much faster. You can only tel when placing a lot of files in a directory. My A:\ external hard drive contains almost 1 terabit so it makes a big difference when dealing with a lot of files. static void Main(string[] args) { DirectoryInfo di = new DirectoryInfo(“A:\\”); FullDirList(di, “*”); Console.WriteLine(“Done”); Console.Read(); } … Read more
Why not create an extension method? That’s more readable. public static IEnumerable<FileInfo> GetFilesByExtensions(this DirectoryInfo dir, params string[] extensions) { if (extensions == null) throw new ArgumentNullException(“extensions”); IEnumerable<FileInfo> files = Enumerable.Empty<FileInfo>(); foreach(string ext in extensions) { files = files.Concat(dir.GetFiles(ext)); } return files; } EDIT: a more efficient version: public static IEnumerable<FileInfo> GetFilesByExtensions(this DirectoryInfo dir, params string[] … Read more
This is a way to see if any XML-files exists in that folder, yes. To check for specific files use File.Exists(path), which will return a boolean indicating wheter the file at path exists.