SevenZipArchive.SevenZipArchive

SevenZipArchive(SevenZipEntrySettings)

Initializes a new instance of the SevenZipArchive class with optional settings for its entries.

public SevenZipArchive(SevenZipEntrySettings newEntrySettings = null)

Parameter	Type	Description
newEntrySettings	SevenZipEntrySettings	Compression and encryption settings used for newly added SevenZipArchiveEntry items. If not specified, LZMA compression without encryption would be used.

Examples

The following example shows how to compress a single file with default settings: LZMA compression without encryption.

using (FileStream sevenZipFile = File.Open("archive.7z", FileMode.Create))
{
    using (var archive = new SevenZipArchive())
    {
        archive.CreateEntry("data.bin", "file.dat");
        archive.Save(sevenZipFile);
    }
}

See Also

• class SevenZipEntrySettings
• class SevenZipArchive
• namespace Aspose.Zip.SevenZip
• assembly Aspose.Zip

---

SevenZipArchive(Stream, string)

Initializes a new instance of the SevenZipArchive class and composes entries list can be extracted from the archive.

public SevenZipArchive(Stream sourceStream, string password = null)

Parameter	Type	Description
sourceStream	Stream	The source of the archive.
password	String	Optional password for decryption. If file names are encrypted it must be present.

Exceptions

exception	condition
ArgumentException	sourceStream is not seekable.
ArgumentNullException	sourceStream is null.
NotImplementedException	Archive contains more than one coder. Now only LZMA compression supported.

Remarks

This constructor does not decompress any entry. See ExtractToDirectory method for decompressing.

Examples

using (SevenZipArchive archive = new SevenZipArchive(File.OpenRead("archive.7z")))
{
    archive.ExtractToDirectory("C:\\extracted");
}

See Also

• class SevenZipArchive
• namespace Aspose.Zip.SevenZip
• assembly Aspose.Zip

---

SevenZipArchive(string, string)

Initializes a new instance of the SevenZipArchive class and composes entries list can be extracted from the archive.

public SevenZipArchive(string path, string password = null)

Parameter	Type	Description
path	String	The fully qualified or the relative path to the archive file.
password	String	Optional password for decryption. If file names are encrypted it must be present.

Exceptions

exception	condition
ArgumentNullException	path is null.
SecurityException	The caller does not have the required permission to access.
ArgumentException	The path is empty, contains only white spaces, or contains invalid characters.
UnauthorizedAccessException	Access to file path is denied.
PathTooLongException	The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters, and file names must be less than 260 characters.
NotSupportedException	File at path contains a colon (:) in the middle of the string.

Remarks

This constructor does not decompress any entry. See ExtractToDirectory method for decompressing.

Examples

using (SevenZipArchive archive = new SevenZipArchive("archive.7z"))
{
    archive.ExtractToDirectory("C:\\extracted");
}

See Also

• class SevenZipArchive
• namespace Aspose.Zip.SevenZip
• assembly Aspose.Zip