/// <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);
}
