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最新推荐文章于 2021-03-09 18:58:32 发布

ggbaibai

最新推荐文章于 2021-03-09 18:58:32 发布

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文章标签： list null image

本文链接：https://blog.youkuaiyun.com/ggbaibai/article/details/6494946

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CTreeCtrl::GetNextSiblingItem
HTREEITEM GetNextSiblingItem(
   HTREEITEM hItem
) const;
CTreeCtrl::GetItemData
DWORD_PTR GetItemData(
   HTREEITEM hItem
) const;
CTreeCtrl::Expand
BOOL Expand(
   HTREEITEM hItem,
   UINT nCode
);
TVE_COLLAPSE   Collapses the list.

TVE_COLLAPSERESET Collapses the list and removes the child items. The TVIS_EXPANDEDONCE state flag is reset. This flag must be used with the TVE_COLLAPSE flag.

TVE_EXPAND Expands the list.

TVE_TOGGLE Collapses the list if it is currently expanded or expands it if it is currently collapsed.

CTreeCtrl::GetSelectedItem
CWnd::SetRedraw

//
HTREEITEM ShellTree::insertItem( HTREEITEM hParent, ShellItem* pShellItem, HTREEITEM hInsertAfter, const IconIndex& icon )
{
UINT itemState = 0;
TVITEM item = { TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM | TVIF_STATE };

if( pShellItem->GetAttributes() & SFGAO_HASSUBFOLDER )
{
item.cChildren = 1;
item.mask |= TVIF_CHILDREN;
}

item.pszText = const_cast< LPTSTR >( pShellItem->GetName() );
item.cchTextMax = MAX_PATH;
item.lParam = reinterpret_cast< LPARAM >( pShellItem );
item.iImage = icon.normal;
item.iSelectedImage = icon.open;
item.stateMask = TVIS_OVERLAYMASK;
item.state = itemState;

// 僣儕乕偵捛壛偡傞
TVINSERTSTRUCT tvins;
tvins.item         = item;
tvins.hInsertAfter = hInsertAfter;
tvins.hParent      = hParent;

HTREEITEM hItem = InsertItem( &tvins );
if (hParent != NULL && hParent == m_hNetworkRoot)
{
  SetItemState(hItem, INDEXTOSTATEIMAGEMASK(0), TVIS_STATEIMAGEMASK);
}
    else if (hParent != NULL && hParent == this->m_hLibrariesRoot)
    {
        SetItemState(hItem, INDEXTOSTATEIMAGEMASK(0), TVIS_STATEIMAGEMASK);
    }
    else if (!XpFileOperation::IsDirAvailable(pShellItem->GetPath()))
    {
        SetItemState(hItem, INDEXTOSTATEIMAGEMASK(0), TVIS_STATEIMAGEMASK);
    }
else
{
  if (m_StFolderManager.IsInclude(XpPath(pShellItem->GetPath(), XpPath::Type_Dir)))
  {
   SetCheck(hItem, TRUE);
  }
  else
  {
   SetCheck(hItem, FALSE);
  }
}

return hItem;
}
///