CSharp___DllImport.Phone.IO.Directory.Directory7.OpenDirectory C# (CSharp) Метод

                    public static Directory7[] OpenDirectory(string fullFolderName)
                    {
                        WIN32_FIND_DATA data;
                        var handle = DllImportCaller.lib.FindFirstFile7(fullFolderName, out data);

                        if (handle == -1)
                        {
                            var err = DllImportCaller.LastError().ToString();

                            if (err == "-2147483643")
                            {
                                throw new System.IO.IOException("Forbidden or not exist");
                            }
                            else
                            {
                                throw new Exception(err);
                            }
                        }

                        var list = new List<Directory7>();
                        list.Add(new Directory7(data, fullFolderName, true)); //add first defined "out data"

                        int next;

                        while ((next = DllImportCaller.lib.FindNextFile7(handle, out data)) != 0)
                        {
                            list.Add(new Directory7(data, System.IO.Path.Combine(fullFolderName, data.cFileName), false));//continue to add
                        }

                        var r = DllImportCaller.lib.FindClose7(handle);
                        return list.ToArray();
                    }