The legend reflects the organization of the layers in the map.To get a hierarchy of layer, you have to organize your graphics layers into group layers.Then you have to set your Legend.LayerItemsMode to "Tree".The GroupLayers SDK sample demonstrates that.
Membros conectados podem postar, seguir atualizações e mais. Novo aqui? Registre uma conta gratuita.
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.