How to unzip a split zip archive using DotNetLib

问题

I can use the DotNetZip library to unzip a single zip file:

Using Zip As ZipFile = ZipFile.Read(ZipFilePath)
    AddMessage("Unzipping " & Zip.Entries.Count & " entries")
End Using

However, if I try and pass in the first segment of a split archive produced using 7-Zip (e.g. Pubs.zip.001) then it throws an error:

Could not read block - no data! (position 0x03210FCE)

The documentation seems to infer that you don't have to do anything special to read a split archive:

This property has no effect when reading a split archive. You can read a split archive in the normal way with DotNetZip.

What am I doing wrong?

来源：https://stackoverflow.com/questions/32539791/how-to-unzip-a-split-zip-archive-using-dotnetlib