LRESULT CHeaderCtrlExt::OnHdnEndDrag(WPARAM wParam, LPARAM lParam)
{
int nCount = GetItemCount();
int* piArray = new int[nCount];
GetOrderArray(piArray, nCount);
SetOrderArray(nCount, piArray);
delete []piArray;
return 1;
}
void CHeaderCtrlExt::SetVisible(int nIndex, BOOL bVisible)
{
CItemData* pData = (CItemData*)GetItemData(nIndex);
if(! pData)return;
if(pData->m_bVisible != bVisible)
{
pData->m_bVisible = bVisible;
// get total items
int nCount = GetItemCount();
// get current item's order
int nOrder = IndexToOrder(nIndex);
int* piCols = new int[nCount];
ASSERT(piCols);
GetOrderArray(piCols, nCount);
if(bVisible)
{
// restore item width
ResetItemWidth(nIndex);
// move the item to the original position
int nTarget;
int nVisible = GetVisibleItemCount();
if(nIndex > nVisible - 1)nTarget = nVisible - 1;
else nTarget = nIndex;
ASSERT(nTarget <= nOrder);
for(int i = nOrder;i > nTarget;--i)piCols[i] = piCols[i - 1];
piCols[nTarget] = nIndex;
}
else
{
// hide item
SetItemWidth(nIndex, 0);
}
SetOrderArray(nCount, piCols);
delete []piCols;
}
}
BOOL CEnHeaderCtrl::SetItemOrder(const CIntArray& aOrder)
{
return SetOrderArray(aOrder.GetSize(), (LPINT)aOrder.GetData());
}
