清空用CListBox::ResetContent
或API
while(::SendMessage(hwndListBox,LB_DELETESTRING,0,0)!=LB_ERR);取得ItemCount用:
CListBox::GetCount();
或API:
::SendMessage(hwndListBox,LB_GETCOUNT,0,0)
或API
while(::SendMessage(hwndListBox,LB_DELETESTRING,0,0)!=LB_ERR);取得ItemCount用:
CListBox::GetCount();
或API:
::SendMessage(hwndListBox,LB_GETCOUNT,0,0)
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货