请问在listview中统计问题？？

Question

不会在listview中最有一行写上 合计： 等信息？？
怎么写？？大虾帮忙！！

Answer 1

全部列统计:
var
  iSum:Integer;
begin
   with ListView1.Items.Add do
   begin
       for i:=0 to ListView1.Columns.Count-1 do
       begin
         iSum:=0;
         for j:=0 to ListView1.Items.Count-1 do
         begin
             if i=0 then
               Inc(iSum,StrToInt(ListView1.Items[j].Caption))
             else
               Inc(iSum,StrToInt(ListView1.Items[j].SubItems[j-1]));
         end;
         if i:=0 then
           Caption:=IntToStr(iSum)
         else
          SubItems.Add(IntToStr(iSum));
       end;
   end;end;