C#递归拷贝文件夹下文件以及文件夹

public bool CopyOldLabFilesToNewLab(string sourcePath, string savePath)
{
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}

#region
try
{
string[] labDirs = Directory.GetDirectories(sourcePath);//目录
string[] labFiles = Directory.GetFiles(sourcePath);//文件
if (labFiles.Length > 0)
{
for (int i = 0; i < labFiles.Length; i++)
{
if (Path.GetExtension(labFiles[i]) != ".lab")
{
File.Copy(sourcePath + "\" + Path.GetFileName(labFiles[i]), savePath + "\" + Path.GetFileName(labFiles[i]), true);
}
}
}
if (labDirs.Length > 0)
{
for (int j = 0; j < labDirs.Length; j++)
{
Directory.GetDirectories(sourcePath + "\" + Path.GetFileName(labDirs[j]));

//递归调用
CopyOldLabFilesToNewLab(sourcePath + "\" + Path.GetFileName(labDirs[j]), savePath + "\" + Path.GetFileName(labDirs[j]));
}
}
}
catch (Exception)
{
return false;
}
#endregion
return true;
}