AddContentProducer (IHTMLContentProducerContainer)

ExchangeContentProducers (IHTMLContentProducerContainer)

ForeachContentProducer (IHTMLContentProducerContainer)

MoveContentProducer (IHTMLContentProducerContainer)

ProduceContent (IHTMLContentProducerContainer)

RemoveContentProducer (IHTMLContentProducerContainer)