Default.Graph.BuildEdge C# (CSharp) Method

	public void BuildEdge(int v1,int v2) {
		Vertex n1 = null,n2 = null;
		Vertex temp = Vfirst;
		
		while(temp != null) {
			int i = Decimal.Compare(v1,temp.Name);
			if(i==0) {
				//found 1st node..
				n1 = temp;
				break;
			}
			else temp = temp.Next;
		}
		
		//check if edge already exists
		for(int i=0;i<n1.Num_Edges;i++) {
			int j = Decimal.Compare(v2,n1.Adjacent[i].Name);
			if(j==0) return;
		}

		temp = Vfirst;
		while(temp != null) {
			int i = Decimal.Compare(v2,temp.Name);
			if(i==0) {
				//found 2nd node..
				n2 = temp;
				break;
			}
			else temp = temp.Next;
		}
		
		n1.Adjacent[n1.Num_Edges++]=n2;
		
		Edge temp2 = new Edge(n1,n2);
		        if(Efirst==null) {
		                Efirst = temp2;
		                Elast = temp2;
		        }
		        else {
		                temp2.AddEdge(Elast,temp2);
		                Elast = temp2;
                       }
	}