FilterAttach FilterAttachAtAltitude FilterClose FilterConnectCommunicationPort FilterCreate FilterDetach FilterFindClose FilterFindFirst FilterFindNext FilterGetDosName FilterGetInformation FilterGetMessage FilterInstanceClose FilterInstanceCreate FilterInstanceFindClose FilterInstanceFindFirst FilterInstanceFindNext FilterInstanceGetInformation FilterLoad FilterReplyMessage FilterSendMessage FilterUnload FilterVolumeClose FilterVolumeFindClose FilterVolumeFindFirst FilterVolumeFindNext FilterVolumeInstanceFindClose FilterVolumeInstanceFindFirst FilterVolumeInstanceFindNext