如何找到路径的父目录？

Question

如何获取目录的父目录，例如：

string upDir = GetOneLvlUp(@"C:\AAA\BBB\CCC\DDD\");

Output:  C:\AAA\BBB\CCC\

Answer 1

upDir = Directory.GetParent(path).FullName;

Answer 2

你想要的一切都在 Directory 类中：

http://msdn.microsoft.com/en-us/library/system.io.directory.aspx

特别是，GetParent：

http://msdn.microsoft.com/en-us/library/system.io.directory.getparent.aspx

Answer 3

string path = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string parentDir = Directory.GetParent(path).FullName;

Answer 4

var upDir = new DirectoryInfo(yourPath).Parent.FullName;