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AVI - Animated button 
 
 
 
 
This article was contributed by Oscar - R.Voska 
 
You can see this effect on some multimedia programs: as you drag mouse over 
the button, the button will animate. 
The whole thing is in CAniButton class derived from CButton. 
 
Use CAniButton as a normal CButton (Style must be Owner draw) 
On Init dialog simply use LoadAVI( AVI_ID ) where AVI_ID is ID of AVI file 
loaded in resources. 
 
The button will resize to match the size of AVI animation. 
The first frame of animation will be used as a static look. 
Be careful when you create your own AVI file. Not everything could be played ! 
 
Here is what is written  for Animated control in MSDN: 
Animation controls can play only simple AVI clips. Specifically, the clips 
to be played by an animation control must meet the following requirements: 

-There must be exactly one video stream and it must have at least one frame. 

-There can be at most two streams in the file (typically the other stream, 
if present, is an audio stream, although the animation control ignores 
audio information). 

-The clip must either be uncompressed or compressed with RLE8 compression.  

-No palette changes are allowed in the video stream.  
 
 
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© 1998 Zafir Anjum  
 
 
 
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