CTreeView

CTreeView代码

private:
	CTreeCtrl* m_treeCtrl;
	CImageList m_imageList;

void CSelectView::OnInitialUpdate()
{
	CTreeView::OnInitialUpdate();
	
	HICON icon = AfxGetApp()->LoadIconW(IDI_ICON_ROBOT);
	m_imageList.Create(30, 30, ILC_COLOR32, 1,1);
	m_imageList.Add(icon);

	m_treeCtrl = &GetTreeCtrl();
	m_treeCtrl->SetImageList(&m_imageList,TVSIL_NORMAL);

	m_treeCtrl->InsertItem(_T("Robotics"),0,0,NULL);
	m_treeCtrl->InsertItem(_T("Other"), 0, 0, NULL);
}

void CSelectView::OnTvnSelchanged(NMHDR* pNMHDR, LRESULT* pResult)
{
	LPNMTREEVIEW pNMTreeView = reinterpret_cast<LPNMTREEVIEW>(pNMHDR);
	// TODO: Add your control notification handler code here
	*pResult = 0;

	HTREEITEM item= m_treeCtrl->GetSelectedItem();
	CString str = m_treeCtrl->GetItemText(item);

	if (str == _T("Robotics")) {
		::PostMessage(AfxGetMainWnd()->GetSafeHwnd(), NM_ROBOTCONTROLLER, (WPARAM)NM_ROBOTCONTROLLER, (LPARAM)0);
	}
	else if (str == _T("Other")) {
		::PostMessage(AfxGetMainWnd()->GetSafeHwnd(), NM_PMCLIENT, (WPARAM)NM_PMCLIENT, (LPARAM)0);
	}
}

OnTvnSelchanged

选中项改变事件。

HTREEITEM item= m_treeCtrl->GetSelectedItem();
CString str = m_treeCtrl->GetItemText(item);

MainFrm代码

#define NM_ROBOTCONTROLLER (WM_USER+100)
#define NM_PMCLIENT (WM_USER+101)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	ON_WM_CREATE()
	ON_MESSAGE(NM_ROBOTCONTROLLER, OnMyChange)
	ON_MESSAGE(NM_PMCLIENT, OnMyChange)
END_MESSAGE_MAP()

LRESULT CMainFrame::OnMyChange(WPARAM wParam, LPARAM lParam)
{
	CCreateContext context;

	if (wParam == NM_ROBOTCONTROLLER) {
		context.m_pNewViewClass = RUNTIME_CLASS(CMFCRoboticsView);
		context.m_pCurrentFrame = this;
		context.m_pLastView = (CFormView*)m_wndSplitter.GetPane(0, 1);
		m_wndSplitter.DeleteView(0, 1);
		m_wndSplitter.CreateView(0, 1, RUNTIME_CLASS(CMFCRoboticsView), CSize(520, 600), &context);
		CMFCRoboticsView* pNewView = (CMFCRoboticsView*)m_wndSplitter.GetPane(0, 1);
		m_wndSplitter.RecalcLayout();
		pNewView->OnInitialUpdate();
		m_wndSplitter.SetActivePane(0, 1);

	}
	else if (wParam == NM_PMCLIENT) {
		context.m_pNewViewClass = RUNTIME_CLASS(CPMClientView);
		context.m_pCurrentFrame = this;
		context.m_pLastView = (CFormView*)m_wndSplitter.GetPane(0, 1);
		m_wndSplitter.DeleteView(0, 1);
		m_wndSplitter.CreateView(0, 1, RUNTIME_CLASS(CPMClientView), CSize(520, 600), &context);
		CPMClientView* pNewView = (CPMClientView*)m_wndSplitter.GetPane(0, 1);
		m_wndSplitter.RecalcLayout();
		pNewView->OnInitialUpdate();
		m_wndSplitter.SetActivePane(0, 1);
	}
	return LRESULT();
}

CTreeCtrl::InsertItem

Call this function to insert a new item in a tree view control.

HTREEITEM InsertItem(LPTVINSERTSTRUCT lpInsertStruct);

HTREEITEM InsertItem(
	UINT nMask,
	LPCTSTR lpszItem,
	int nImage,
	int nSelectedImage,
	UINT nState,
	UINT nStateMask,
	LPARAM lParam,
	HTREEITEM hParent,
	HTREEITEM hInsertAfter);

//只有文字
HTREEITEM InsertItem(
	LPCTSTR lpszItem,
	HTREEITEM hParent = TVI_ROOT,
	HTREEITEM hInsertAfter = TVI_LAST);

//包含文字和图标
HTREEITEM InsertItem(
	LPCTSTR lpszItem,
	int nImage,
	int nSelectedImage,
	HTREEITEM hParent = TVI_ROOT,
	HTREEITEM hInsertAfter = TVI_LAST);

CTreeCtrl::Select

Call this function to select the given tree view item, scroll the item into view, or redraw the item in the style used to indicate the target of a drag-and-drop operation.

m_tree.SelectItem(hNewItem);
m_tree.EnsureVisible(hNewItem);

CTreeCtrl::DeleteItem

删除节点

CTreeCtrl::SetItemText

设置节点字符串

CTreeCtrl::GetSelectedItem

获取选中的节点

CTreeCtrl::ExpandAllNode

展开所有节点

ExpandAllNode(m_tree.GetRootItem(), m_tree);

void CUserManual::ExpandAllNode(HTREEITEM hItem, CTreeCtrl& treeShow)
{
	HTREEITEM hChild = treeShow.GetChildItem(hItem);
	while(hChild)
	{
		treeShow.Expand(hItem, TVE_EXPAND);
		ExpandAllNode(hChild, treeShow);
		hChild = treeShow.GetNextSiblingItem(hChild);
	}
}