MComposerClass March 27, 2018 10:23 Operates MComposer object Supported interfaces IMAudioIMElementsIMFileIMFormatIMObjectIMPersistIMPluginsIMPreviewIMPropsIMScenesIMSourceIMStreams Still have questions? Tell us what didn’t work or what you’d like clarified. Ask support Was this article helpful? Yes No 0 out of 0 found this helpful Related articles IMFile SCTE-104 General information, SCTE 104 to SCTE-35 and list of command IMStreams MMixerClass MElementClass