/// <summary> /// Performs the archive integrity test. /// </summary> /// <returns>True is the archive is ok; otherwise, false.</returns> public bool Check() { DisposedCheck(); try { InitArchiveFileData(false); var archiveStream = GetArchiveStream(true); var openCallback = GetArchiveOpenCallback(); if (!OpenArchive(archiveStream, openCallback)) { return(false); } using (var aec = GetArchiveExtractCallback("", (int)_filesCount, null)) { try { CheckedExecute( _archive.Extract(null, UInt32.MaxValue, 1, aec), SevenZipExtractionFailedException.DEFAULT_MESSAGE, aec); } finally { FreeArchiveExtractCallback(aec); } } } catch (Exception) { return(false); } finally { if (_archive != null) { _archive.Close(); } ((InStreamWrapper)_archiveStream).Dispose(); _archiveStream = null; _opened = false; } return(true); }
public string Extract(string archiveName, string folderToExtract, uint fileNumber, KnownSevenZipFormat ZipFormat, out bool isDirectory) { isDirectory = false; ZipFormatG = ZipFormat; string FileName = null; try { using (SevenZipFormat Format = new SevenZipFormat(SevenZipDllPath)) { IInArchive Archive = Format.CreateInArchive(SevenZipFormat.GetClassIdFromKnownFormat(ZipFormat)); if (Archive == null) { return(null); } try { using (InStreamWrapper ArchiveStream = new InStreamWrapper(File.OpenRead(archiveName))) { IArchiveOpenCallback OpenCallback = new ArchiveOpenCallback(); ulong CheckPos = 256 * 1024; if (Archive.Open(ArchiveStream, ref CheckPos, OpenCallback) != 0) { return(null); } PropVariant Name = new PropVariant(); Archive.GetProperty(fileNumber, ItemPropId.kpidPath, ref Name); FileName = (string)Name.GetObject(); Archive.GetProperty(fileNumber, ItemPropId.kpidIsFolder, ref Name); isDirectory = (bool)Name.GetObject(); if (!isDirectory) { Archive.Extract(new uint[] { fileNumber }, 1, 0, new ArchiveExtractCallback(fileNumber, folderToExtract + FileName)); } } } finally { Marshal.ReleaseComObject(Archive); } } } catch { } return(FileName); }
private static void ListOrExtract(string archiveName, string extractLocation, bool extract) { using (SevenZipFormat Format = new SevenZipFormat(SevenZDllPath)) { IInArchive Archive = Format.CreateInArchive(SevenZipFormat.GetClassIdFromKnownFormat(KnownSevenZipFormat.SevenZip)); if (Archive == null) { return; } try { using (InStreamWrapper ArchiveStream = new InStreamWrapper(File.OpenRead(archiveName))) { IArchiveOpenCallback OpenCallback = new ArchiveOpenCallback(); // 32k CheckPos is not enough for some 7z archive formats ulong CheckPos = 128 * 1024; if (Archive.Open(ArchiveStream, ref CheckPos, OpenCallback) != 0) { return; } if (extract) { uint Count = Archive.GetNumberOfItems(); for (int i = 0; i < Count; i++) { PropVariant Name = new PropVariant(); Archive.GetProperty((uint)i, ItemPropId.kpidPath, ref Name); string FileName = (string)Name.GetObject(); Archive.Extract(new uint[] { (uint)i }, 1, 0, new ArchiveExtractCallback((uint)i, FileName, extractLocation)); } } else { //Console.WriteLine("List:"); String files = ""; uint Count = Archive.GetNumberOfItems(); for (uint I = 0; I < Count; I++) { PropVariant Name = new PropVariant(); Archive.GetProperty(I, ItemPropId.kpidPath, ref Name); files += String.Format("{0} - {1}\r\n", I, Name.GetObject()); } MessageBox.Show(files); } } } finally { Marshal.ReleaseComObject(Archive); } } }
public void Extract(UInt32[] indices, UInt32 numItems, ExtractMode testMode, IArchiveExtractCallback extractCallback) { inArchive.Extract(indices, numItems, testMode, extractCallback); }