c# sevenzipsharp- 将文件夹添加到 new/existing 存档

c# sevenzipsharp- adding folder to new/existing archive

我有一些压缩代码 folders/files:

      SevenZipCompressor compressor = new SevenZipCompressor();

                foreach (string listBoxItem in listBoxToCompress.Items)
                {
                    string choosenPath = listBoxItem;

                    int fileCount = Directory.GetFiles(listBoxItem).Length;
                    int folderCount = Directory.GetDirectories(listBoxItem).Length;

                    if (fileCount == 0 && folderCount == 0)
                    {
                        MessageBox.Show("folder " + listBoxItem + " is empty");
                    }
                    else
                    {
                        listBox1.Items.Add("========================================");
                        listBox1.Items.Add("Compressing. "+listBoxItem+" Wait...");
                        listBox1.Refresh();
                        if (File.Exists(zipFile) == true)
                        {
                            compressor.CompressionMode = CompressionMode.Append;
                            compressor.ArchiveFormat = OutArchiveFormat.Zip;
                            compressor.CompressDirectory(choosenPath, zipFile);             
                            ++done;
                        }
                        else
                        {
                            compressor.CompressionMode = CompressionMode.Create;
                            compressor.ArchiveFormat = OutArchiveFormat.Zip;
                            compressor.CompressDirectory(choosenPath, zipFile);             
                            ++done;
                        }
                        listBox1.Items.Add("Done.");
                        listBox1.Refresh();
                    }
                }

如您所见,我正在从列表框中获取文件夹。对于前。我正在添加一些文件夹以压缩为一个 file.zip 所以我的列表框看起来像:

+c:/test
+d:/somefolder

完整结构是:

 +c:/test
 |--c:/test/testfile.exe
 |--c:/test/testfolder

 d:/somefolder
 |--d:/somefile.exe

但现在,压缩后,我的存档看起来像:

 +archive.zip
 |--testfile.exe
 |--testfolder
 |--somefile.exe

如何创建这个覆盖文件夹。我希望存档看起来像:

 +archive.zip
 |-test
   |----testfile.exe
   |----testfolder
 |-somefolder
   |----somefile.exe 

嗯...我应该添加这一行:

 compressor.PreserveDirectoryRoot = true;

这个选项默认是禁用的,启用后问题就神奇解决了:)