How do I show clistctrl screen at the time of every row create?

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C++

ListControl

In my MFC ugly code using CListCtrl report style:

A::moveform()
{
CListCtrl.insertitem(item);
CListCtrl.SetItemText(stritem);
UpdateData(FALSE);
}

A::Caller()
{
for(int i = 0;i<100;i++)
moveform();

return;

}

Caller call moveform() for 100 times.
I want to show the every row when each loop.
But the result of the above program, at the 'return;' point,
the all rows are shown at the completion of 100 loops.

Which one of you show the right method?

What I have tried:

More 1 weeks wasted to solve the problems.