c# - DotNetZip trouble with coding

Question

I am using DotNetZip. When i am archiving file which have english name all normally. but when i archiving file with russian names in result archive with bad names of file. Some peoplese said that string

ZipConstants.DefaultCodePage = 866;

But it not compile. I also use zip.UseUnicodeAsNecessary properties, and convert my file names to utf8 and utf7.

Answer 1

zip.AlternateEncodingUsage = ZipOption.Always;
zip.AlternateEncoding = Encoding.UTF8;