请问:这里的空应怎么填呀?
某程序中有个comboBox组件cmbAA,在fmXX选中后,cmbAA的项数来自于edt00,各项的内容依次是整数10,11,12.......
TfmXX._______(Sender:Object)//(1)
____________________________//(2)
begin
n:=_________________ //(3)
cmbAA.Clear;
for i:=0 to n-1 do
cmbAA.Items.Add(________________);//(4)
if cmbAA.ItemCount >= 3 then
cmbAA.ItemIndex:=3
else
cmbAA.ItemIndex:=0;
请问,这上面的4个应填什么呀