Still there is the option of using Cs4 the last version supporting Vector Paint that had more functions.

Peter, you are Right. 

as you record your stroke with the brush tool, no matter which duration you choose: Constant, Write On, or Single Frame, it will record the timing you used initially and it will be embedded in the layer without a way to change it other then stretching or expanding it as a whole.

I suspect this is a feature and not a bug because the recording has to be embedded inside the the layer in a way that is not revealed by keyframes, because

as opposite to other recording methods such as motion sketch or puppet pin recording, it does not create rove across time keyframes, but simple 2 linear keyframes. 

if you use the start or end parameters with linear keyframes, they will still be in the same timing fashion you recorded the stroke with. opening CS6 exhibits the same behavior so this feature was consistent in the last 5 years... so this supports my guess this is a feature not a bug.

my advice to you is leave the stroke you painted as revealed, copy the path from the path parameter under the the collapsed brush parameter, and paste it into a shape layer path and use a stroke width and trim path to reveal as the alpha matte for the brush stroke. either that or paste the path on a mask path and use the stroke effect. if you use a mask path you can also do this on the same layer. 

On Mon, Oct 2, 2017 at 1:58 AM, Peter Matulavich <AE-List@media-motion.tv> wrote:

Thanks, I'll look into that, but I was hoping to find a way using one of the Duration Modes, if at all possible.  It appears, from various posts I've seen,  they don't work the way their names suggest they should work, unless it's been fixed since CS6.  (BTW, that link doesn't work).

Pete
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