Otherwise, the default system highlight color is used. A time value that specifies how long the text sample should last. This duration is expressed in the media's time base. The actual media time at which the sample was added is returned here. Constants teCenter Text is centered.
Text is lined up on the left.
Does not display the specified sample. This is useful if the text overlays the video. If both dfScrollIn and dfScrollOut are set, the text is scrolled in, then out. If the dfHorizScroll flag is not set, then the scrolling is vertical. If set, scrolls vertically down, rather than up.