Hi, I have the following description of graph: ///////////////////////////code/////////////////////////////////// struct EdgeProperties { EdgeProperties(size_t ew = 0, size_t key = -1) : edge_weight(ew), edge_index(key) { edge_color = std::string("black"); } size_t edge_weight; std::string edge_color; size_t edge_index; //Key for distinguishing all input edges }; typedef adjacency_list< listS, ///<Store out&in -edges of each vertex in a std::list vecS, ///<Store vertex set in std::vector bidirectionalS, ///<Graph is directed with access to in & out edges VertexProperties, EdgeProperties, GraphProperties

Graph;

////////////////////////////////////////////////////////////////////////////// I have edge descriptor. I would like to get EdgeProperties structure for this edge. Many thanks in advance for help. Regards, --dima P. S. Special thanks to Douglas Gregor for previous answer it was really usefull for me