C# source code for protecting ZIP archives with password. Add single or multiple files and folders to locked ZIP archives programmatically....formats such as ZIP, GZIP, BZIP2, TAR, CPIO, LZIP, 7Z, LZMA, XZ, and...formats such as ZIP, GZIP, BZIP2, TAR, CPIO, LZIP, 7Z, LZMA, XZ, and...