本文整理汇总了C#中System.IO.Compression.ZipStorer.ExtractFile方法的典型用法代码示例。如果您正苦于以下问题：C# ZipStorer.ExtractFile方法的具体用法？C# ZipStorer.ExtractFile怎么用？C# ZipStorer.ExtractFile使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.IO.Compression.ZipStorer的用法示例。
在下文中一共展示了ZipStorer.ExtractFile方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: RemoveEntries
/// <summary>
/// Removes one of many files in storage. It creates a new Zip file.
/// </summary>
/// <param name="_zip">Reference to the current Zip object</param>
/// <param name="_zfes">List of Entries to remove from storage</param>
/// <returns>True if success, false if not</returns>
/// <remarks>This method only works for storage of type FileStream</remarks>
public static bool RemoveEntries(ref ZipStorer _zip, List<ZipFileEntry> _zfes)
{
if (!(_zip.ZipFileStream is FileStream))
throw new InvalidOperationException("RemoveEntries is allowed just over streams of type FileStream");
//Get full list of entries
List<ZipFileEntry> fullList = _zip.ReadCentralDir();
//In order to delete we need to create a copy of the zip file excluding the selected items
string tempZipName = Path.GetTempFileName();
string tempEntryName = Path.GetTempFileName();
try
{
ZipStorer tempZip = ZipStorer.Create(tempZipName, string.Empty);
foreach (ZipFileEntry zfe in fullList)
{
if (!_zfes.Contains(zfe))
{
if (_zip.ExtractFile(zfe, tempEntryName))
{
tempZip.AddFile(zfe.Method, tempEntryName, zfe.FilenameInZip, zfe.Comment);
}
}
}
_zip.Close();
tempZip.Close();
File.Delete(_zip.FileName);
File.Move(tempZipName, _zip.FileName);
_zip = ZipStorer.Open(_zip.FileName, _zip.Access);
}
catch
{
return false;
}
finally
{
if (File.Exists(tempZipName))
File.Delete(tempZipName);
if (File.Exists(tempEntryName))
File.Delete(tempEntryName);
}
return true;
}示例2: RemoveEntries
/// <summary>
/// Removes one of many files in storage. It creates a new Zip file.
/// </summary>
/// <param name="zip">Reference to the current Zip object</param>
/// <param name="zfes">List of Entries to remove from storage</param>
/// <returns>True if success, false if not</returns>
/// <remarks>This method only works for storage of type FileStream</remarks>
public static bool RemoveEntries( ref ZipStorer zip, [NotNull] List<ZipFileEntry> zfes ) {
if( zfes == null ) throw new ArgumentNullException( "zfes" );
if( !(zip.zipFileStream is FileStream) )
throw new InvalidOperationException( "RemoveEntries is allowed just over streams of type FileStream" );
//Get full list of entries
List<ZipFileEntry> fullList = zip.ReadCentralDir();
//In order to delete we need to create a copy of the zip file excluding the selected items
string tempZipName = Path.GetTempFileName();
string tempEntryName = Path.GetTempFileName();
try {
ZipStorer tempZip = Create( tempZipName, string.Empty );
foreach( ZipFileEntry zfe in fullList ) {
if( !zfes.Contains( zfe ) ) {
if( zip.ExtractFile( zfe, tempEntryName ) ) {
tempZip.AddFile( zfe.Method, tempEntryName, zfe.FileNameInZip, zfe.Comment );
}
}
}
zip.Close();
tempZip.Close();
if( File.Exists( zip.fileName ) ) {
File.Replace( tempZipName, zip.fileName, null, true );
} else {
File.Move( tempZipName, zip.fileName );
}
zip = Open( zip.fileName, zip.access );
} catch {
return false;
} finally {
if( File.Exists( tempZipName ) )
File.Delete( tempZipName );
if( File.Exists( tempEntryName ) )
File.Delete( tempEntryName );
}
return true;
}