public static void Walk(DirectoryInfo di, WalkFunction f)
{
FileInfo[] files = null;
try
{
files = di.GetFiles("*.*");
}
// This is thrown if even one of the files requires permissions greater
// than the application provides.
catch (UnauthorizedAccessException e)
{
Console.WriteLine(e.Message);
}
catch (DirectoryNotFoundException e)
{
Console.WriteLine(e.Message);
return;
}
if (files != null)
{
foreach (var fi in files)
{
// In this example, we only access the existing FileInfo object. If we
// want to open, delete or modify the file, then
// a try-catch block is required here to handle the case
// where the file has been deleted since the call to TraverseTree().
f(fi);
}
}
// Now find all the subdirectories under this directory.
foreach (var dirInfo in di.GetDirectories())
{
if (!dirInfo.Name.ToLowerInvariant().Equals(".svn"))
{
Walk(dirInfo, f);
}
}
}
public static void Walk(FileInfo fi, WalkFunction f)
{
f(fi);
}
public static void Walk(string dir, WalkFunction f)
{
Walk(new DirectoryInfo(dir), f);
}