void CTypeLibTreeView::OnTreeItemExpanding(NMHDR* pNMHDR, LRESULT* pResult)
{
*pResult = 0 ;
NM_TREEVIEW* pnmtv = (NM_TREEVIEW*)pNMHDR;
if ((pnmtv->action != TVE_EXPAND && pnmtv->itemNew.lParam) ||
(pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
return ;
CTreeItem* pItem = (CTreeItem*)pnmtv->itemNew.lParam ;
if (pItem == NULL)
return ;
ASSERT(pItem->IsKindOf(RUNTIME_CLASS(CTreeItem)));
BeginWaitCursor() ;
m_tree.SetRedraw( FALSE ) ;
*pResult = !pItem->Expand( pnmtv->itemNew.hItem ) ;
// No children
if (*pResult == TRUE)
{
TV_ITEM item ;
item.cChildren = 0 ;
item.mask = TVIF_CHILDREN ;
item.hItem = pnmtv->itemNew.hItem ;
m_tree.SetItem( &item ) ;
}
m_tree.SetRedraw( TRUE ) ;
EndWaitCursor() ;
}
inline void CTypeLibTreeView::OnTreeDeleteItem(NMHDR* pNMHDR, LRESULT* pResult)
{
*pResult = (LRESULT)TRUE ;
NM_TREEVIEW* pnmtv = (NM_TREEVIEW*)pNMHDR;
if (pnmtv->itemOld.lParam)
{
CTreeItem* pItem = (CTreeItem*)pnmtv->itemOld.lParam ;
ASSERT(pItem->IsKindOf(RUNTIME_CLASS(CTreeItem)));
delete pItem ;
//pnmtv->itemOld.lParam = NULL ;
}
}
void CTypeLibTreeView::OnTreeSelchanged(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_TREEVIEW* pnmtv = (NM_TREEVIEW*)pNMHDR;
*pResult = 0;
CTypeLibWnd* pFrame = (CTypeLibWnd*)GetParent()->GetParent() ;
ASSERT(pFrame->IsKindOf(RUNTIME_CLASS(CTypeLibWnd)));
CTreeItem* pItem = (CTreeItem*)pnmtv->itemNew.lParam ;
if (pItem == NULL)
return ;
ASSERT(pItem->IsKindOf(RUNTIME_CLASS(CTreeItem)));
pFrame->m_pSelectedItem = pItem ;
pFrame->UpdateAllViews( this, UPDF_NOTREEVIEW, pItem ) ;
}