static void testFSO(string dir)
{
FileSystemObject fso = new FileSystemObject();
Folder folder = fso.GetFolder(dir);
long fileCount = 0;
long dirCount = 0;
long calls = 0;
o("Testing FSO");
WalkDirectoryTree(folder, ref fileCount, ref dirCount, ref calls);
o("testFSO completed. Files: " + fileCount + " Directories: " + dirCount + " Calls: " + calls);
}