void CDepartmenManager::SetUncheck(HTREEITEM hTree){	if (!hTree){		return;	}	m_DePartmentView.SetCheck(hTree, 0);	HTREEITEM hChild = m_DePartmentView.GetChildItem(hTree);	if (hChild){		SetUncheck(hChild);	}	else{		return;	}	HTREEITEM hBrothor = m_DePartmentView.GetNextSiblingItem(hChild);	while (hBrothor){		if (hBrothor){			SetUncheck(hBrothor);		}		else{			return;		}		hBrothor = m_DePartmentView.GetNextSiblingItem(hBrothor);	}}void CDepartmenManager::OnNMClickTree1(NMHDR *pNMHDR, LRESULT *pResult){	CPoint point;	GetCursorPos(&point);//获得鼠标点击的位置	m_DePartmentView.ScreenToClient(&point);//转化为客户坐标	SetUncheck(hRoot);	UINT uFlags;	CurrentItem = m_DePartmentView.HitTest(point, &uFlags);//获得当前点击节点的ITEM	if (uFlags & TVHT_ONITEM){		BOOL bState = m_DePartmentView.GetCheck(CurrentItem);		m_DePartmentView.SetCheck(CurrentItem, bState);	}		*pResult = 0;}

　　

CTreeCtrl m_DePartmentView;

hRoot为根节点，

CurrentItem是临时节点