void EXWaitingTreeCtrl::OnItemExpanding(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
if (pNMTreeView->action & TVE_EXPAND)
PreExpandItem(pNMTreeView->itemNew.hItem);
*pResult = 0;
}
void CTangramHtmlTreeExWnd::OnItemExpanding(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
if (pNMTreeView->action & TVE_EXPAND)
PreExpandItem(pNMTreeView->itemNew.hItem);
*pResult = 0;
}
void EXWaitingTreeCtrl::PopulateRoot()
{
PreExpandItem(TVI_ROOT);
ExpandItem(TVI_ROOT);
// force update, don't scroll
SetRedraw(FALSE);
SCROLLINFO si;
GetScrollInfo(SB_HORZ, &si);
EnsureVisible(GetChildItem(TVI_ROOT));
SetScrollInfo(SB_HORZ, &si, FALSE);
SetRedraw();
}
void EXWaitingTreeCtrl::RefreshSubItems(HTREEITEM hParent)
{
// if (hParent != TVI_ROOT && !ItemHasChildren(hParent))
// return;
SetRedraw(FALSE);
DeleteChildren(hParent);
if (hParent == TVI_ROOT)
PopulateRoot();
else
{
PreExpandItem(hParent);
ExpandItem(hParent);
}
SetRedraw(TRUE);
}
void CTangramHtmlTreeExWnd::RefreshSubItems(HTREEITEM hParent)
{
if (hParent != TVI_ROOT && !ItemHasChildren(hParent))
return;
SetRedraw(false);
DeleteChildren(hParent);
if (hParent == TVI_ROOT)
PopulateRoot();
else
{
PreExpandItem(hParent);
ExpandItem(hParent);
}
SetRedraw(true);
}
