Firstly, thank you for this wonderful DXF parsing library!
I'm facing a problem when I read a POLYLINE entity. I have a file which contains a polygon mesh. It has four vertexes(1, 2, 3, 4) and three faces(face 1 contains vertexes: 1,2,3; face 2: 2, 3, 4; face 3: 1, 3, 4). As DXF specification mentioned that the three faces will also be presented as VERTEX entity and using group code 71, 72, 73, 74 to store vertext index, but when dxflib calls my addVertex function, the parameter DL_VertexData only contains the value of group code 10, 20, 30.
How can I get the group code that store vertext index?
So sorry for my poor English.