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how to judge the edge is model line or silhouette edges  in drawing

Question asked by xianbin Huang on Aug 17, 2016
Latest reply on Aug 17, 2016 by Keith Rice

Hi All


      I write a code to dimension the arc in all views of drawings


Now , I use the code    vEdges = swView.GetPolylines7(1, vPolyLinesBuffer) to get the edges and data


How to know the edges is model line or silhouette edges?

if  it is Silhouette edges ,how to select it by API