private void detach_tb_Arestas1(tb_Aresta entity)
 {
     this.SendPropertyChanging();
     entity.tb_Vertice1 = null;
 }
 private void attach_tb_Arestas(tb_Aresta entity)
 {
     this.SendPropertyChanging();
     entity.tb_Vertice = this;
 }
 partial void Updatetb_Aresta(tb_Aresta instance);
 partial void Deletetb_Aresta(tb_Aresta instance);
 partial void Inserttb_Aresta(tb_Aresta instance);