IDVBCMCampaignInfo4 interface methods The following methods are described in subsequent topics for use in either a C/C++ or Visual Basic development environment. All IDVBCMCampaignInfo, IDVBCMCampaignInfo2 and IDVBCMCampaignInfo2 methods and: GetCampaignIteration Idvbcmcampaigninfo4::getcampaigniteration