Method DelArc

graph_implement.cpp:93–97

}

void ALGraph::DelArc(MyGraphicsLineItem *garc){
    int sVex = GetIdOf(garc->stVex());
    int eVex = GetIdOf(garc->edVex());
    DelArc(sVex, eVex);
}

void ALGraph::DelArc(int sVexID, int eVexID){
    //Delete sVex -> eVex