ソースコード
var path1 = @"C:\Hoge\Fuga"; var path2 = path1.Substring( 0, path1.LastIndexOf( @"\" ) + 1 ); Console.WriteLine( path2 ); // C:\Hoge\
var path1 = @"C:\Hoge\Fuga"; var path2 = path1.Substring( 0, path1.LastIndexOf( @"\" ) + 1 ); Console.WriteLine( path2 ); // C:\Hoge\