I tried to use DotNetZip with C++/CLR But I found everyfile i downloaded contain no .h file, in the example code, there is "using namespace Ionic::Zip;"
How can I get that to work in my code?
You need to add a reference to the DotnetZip DLL. Once the reference to the DLL is added the compiler will process the metadata in the DLL and make the types and methods available to you in the same way it does by processing a header file. To add a reference do the following