Flash 8: Change Movie Background Color
August 18th, 2005 by LuisUntil now in order to change the background color of a Flash Movie dinamically you could fill the viewable stage using the Drawing Api or simply create a MovieClip at the bottom of your content and change its color.
Now Flash 8 supports a new property called opaqueBackground which turns the background of the MovieClip to an opaque color.
Considering the timeline as a movieclip you can change the background color of the movie with just two lines of code using the opaqueBackground property.
August 18th, 2005 at 3:15 pm
That is so useful - something I submitted to the MM wishlist was to be able to change the background colour dynamically, but they’ve added it to every MovieClip. Superb!
August 18th, 2005 at 4:29 pm
It is actually classed as a performance feature as it was added to the player so that you could remove the alpha channel data from a movie clip to speed up the rendering.