wtl的CTreeViewCtrl使用

来源：互联网发布：关于中医的软件编辑：程序博客网时间：2024/05/29 13:41

class CDemoView : public CWindowImpl<CDemoView, CTreeViewCtrl>{public:    //DECLARE_WND_CLASS(NULL)    DECLARE_WND_SUPERCLASS(NULL, CTreeViewCtrl::GetWndClassName())    BOOL PreTranslateMessage(MSG* pMsg)    {        pMsg;        return FALSE;    }    BEGIN_MSG_MAP(CDemoView)        REFLECTED_NOTIFY_CODE_HANDLER_EX(TVN_ITEMEXPANDING, OnItemExpanding)        DEFAULT_REFLECTION_HANDLER()    END_MSG_MAP()    LRESULT OnItemExpanding(NMHDR* phdr)    {        NMTREEVIEW* pnmtv = (NMTREEVIEW*)phdr;        if (pnmtv->action & TVE_COLLAPSE)            return TRUE;        else            return FALSE;    }};

class CMainFrame :     public CFrameWindowImpl<CMainFrame>,     public CUpdateUI<CMainFrame>,    public CMessageFilter, public CIdleHandler{protected:    CString msg;public:    DECLARE_FRAME_WND_CLASS(NULL, IDR_MAINFRAME)    CDemoView m_view;    //...};

/* 树控制 */    {        HTREEITEM hRoot, hItem;        TCHAR pc_name[64] = { 0 };        TV_INSERTSTRUCT TCItem;//插入数据项数据结构        TCItem.hParent = TVI_ROOT;//增加根项        TCItem.hInsertAfter = TVI_LAST;//在最后项之后        TCItem.item.mask = TVIF_TEXT | TVIF_PARAM | TVIF_IMAGE | TVIF_SELECTEDIMAGE;//设屏蔽        TCItem.item.pszText = _T("设备树");        TCItem.item.lParam = 0;//序号         TCItem.item.iImage = 0;//正常图标         TCItem.item.iSelectedImage = 1;//选中时图标         hItem = m_view.InsertItem(&TCItem);//返回根项句柄         m_view.Expand(hItem, TVE_EXPAND);//展开上一级树        hRoot = hItem;        MultiByteToWideChar(CP_ACP, 0, troot->Name, strlen(troot->Name) + 1, pc_name,            sizeof(pc_name) / sizeof(pc_name[0]));        TCItem.item.pszText = pc_name;        TCItem.hParent = hItem;        hItem = m_view.InsertItem(&TCItem);//返回根项句柄         m_view.Expand(hRoot, TVE_EXPAND);//展开上一级树    }

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