void CTTComboBox::AlignListBoxWithCombo()
{
if (m_cbi.hwndList == NULL ||
!::IsWindow(m_cbi.hwndList))
return;
CListBox* pList = (CListBox*)CWnd::FromHandle(m_cbi.hwndList);
CRect l_rcCombo;
GetClientRect(&l_rcCombo);
CRect l_rcList;
pList->GetClientRect(&l_rcList);
int dropWidth = GetDroppedWidth();
int listWidth = l_rcList.Width();
int xOffset = 0;
switch (m_alignStyle)
{
case 0:
xOffset = 0;
break;
case 1:
xOffset = dropWidth - l_rcCombo.Width();
break;
case 2:
xOffset = (dropWidth - l_rcCombo.Width()) / 2;
break;
default:
xOffset = 0;
break;
}
pList->ClientToScreen(&l_rcList);
pList->SetWindowPos(NULL, l_rcList.left - xOffset, l_rcList.top, 0, 0, SWP_NOSIZE);
}
