In .net 4.5 Framework, we can zip a file by this way:
private static string CompressFile(string sourceFileName)
{
using (ZipArchive archive = ZipFile.Open(Path.ChangeExtension(sourceFileName, ".zip"), ZipArchiveMode.Create))
{
archive.CreateEntryFromFile(sourceFileName, Path.GetFileName(sourceFileName));
}
return Path.ChangeExtension(sourceFileName, ".zip");
}
and also zip a folder in a easy way:
private static void CompressFloder(string startPath, string zipPath)
{
ZipFile.CreateFromDirectory(startPath, zipPath);
}
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c# zip file and folder programmatically
原文：http://www.cnblogs.com/wushuaiyi/p/4980820.html