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CTreeCtrl::GetSelectedItem

呼叫此函式以取得樹狀檢視控制項中目前選取的項目。

HTREEITEM GetSelectedItem( ) const;

傳回值

所選取項目的控制代碼,否則 NULL

範例

// Expand the selected item and make it visible, if possible.
HTREEITEM hItem = m_TreeCtrl.GetSelectedItem();

if ((hItem != NULL) && m_TreeCtrl.ItemHasChildren(hItem))
{
   m_TreeCtrl.Expand(hItem, TVE_EXPAND);
   m_TreeCtrl.EnsureVisible(hItem);
}

需求

Header: afxcmn.h

請參閱

參考

CTreeCtrl 類別

階層架構圖表

CTreeCtrl::Select

CTreeCtrl::SelectDropTarget

CTreeCtrl::GetDropHilightItem