public static void Copy(string sourceDir, string targetDir, bool overwrite = false)
{
Directory.CreateDirectory(targetDir);
foreach (var file in Directory.GetFiles(sourceDir))
{
File.Copy(file, Path.Combine(targetDir, Path.GetFileName(file)), overwrite);
}
foreach (var directory in Directory.GetDirectories(sourceDir))
{
DirectoryEx.Copy(directory, Path.Combine(targetDir, Path.GetFileName(directory)), overwrite);
}
}