path - How to get Point.X at a Point.Y on a FlattenPathGeometry - WPF -

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i have "flattenedpathgeometry" , want able specific point.x path based on specific point.y

basically need x value @ given y.

thanks in advance help.

getflattenedpathgeometry gives polygonal have consider loop points , calculating minimum distance point. if can make assumption on geometry shape or point, can speed search.

for example if path long, can speed intersecting shape circle/square centered in point. limit number of points of shape test careful intersection method expensive. you'll have measure performances stopwatch understand what's better in case.


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