>>469
string filePath = @"C:/hoge/fuga/hoga.txt";
DirectoryInfo di = new DirectoryInfo(filePath);
Console.WriteLine ($"di.Name={di.Name}");
Console.WriteLine ($"di.FullName={di.FullName}");
Console.WriteLine ($"di.Parent.Name={di.Parent.Name}"); // これでfuga取れたわ
Console.WriteLine ($"di.Parent.FullName={di.Parent.FullName}");
三月