make mac package/bundle programmatically

Question

through terminal you can make it with a command - \"SetFile -a B filename\"

programmatically i think i should set one of the attributes through [[NSFileManager defa

Answer 1

Thanks everybody for help. I used the solution with info.plist file. this is the part of the plist file.

CFBundleDocumentTypes

    
        CFBundleTypeName
        Project
        LSHandlerRank
        Default
        LSTypeIsPackage
        
        CFBundleTypeExtensions
        
            fbp
        
        CFBundleTypeIconFile
        document
        CFBundleTypeRole
        Editor