private FileSystemInfo GetNewPathForFileAfterMoving(FileSystemInfo file, DirectoryInfo sourceDirectory, DirectoryInfo destinationDirectory)
{
if (!file.IsInDirectory(sourceDirectory))
return file;
var relativePath = file.GetRelativePath(sourceDirectory.FullName);
var newPath = Path.Combine(destinationDirectory.FullName, relativePath);
if (file is DirectoryInfo)
return new DirectoryInfo(newPath);
return new FileInfo(newPath);
}