MFC完全清空CListBox项正确操作

//取得ListBox
CListBox* pListBox = ((CListBox*)this->GetDlgItem(IDC_LIST_CONNECT_SERVER_LIST));
//取得项数量
int count = pListBox->GetCount();
//反射循环
for (int i = count; i >=0 ; i--)
{
	pListBox->DeleteString(i);//删除项
}