211 lines
7.9 KiB
C
211 lines
7.9 KiB
C
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/*--------------------------------------------------------------------------*
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*
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* Microsoft Windows
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* Copyright (C) Microsoft Corporation, 1992 - 1999
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*
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* File: ftab.h
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*
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* Contents: Interface file for CFolderTab, CFolderTabView
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*
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* History: 06-May-99 vivekj Created
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*
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*--------------------------------------------------------------------------*/
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#ifndef FTAB_H
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#define FTAB_H
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class CFolderTabMetrics
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{
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public:
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CFolderTabMetrics();
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int GetXOffset() const;
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int GetXMargin() const;
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int GetYMargin() const; // top/bottom text margin.
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int GetYBorder() const; // top border thickness.
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int GetTextHeight() const { return m_textHeight;}
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int GetExtraYSpace() const;
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int GetTabHeight() const;
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int GetUpDownWidth() const;
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int GetUpDownHeight()const;
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void SetStyle(DWORD dwStyle) { m_dwStyle = dwStyle;}
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void SetTextHeight(int textHeight){ m_textHeight = textHeight;}
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protected:
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DWORD m_dwStyle;
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int m_textHeight; // height, in pixels, of the text in a rectangle.
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};
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/*+-------------------------------------------------------------------------*
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* class CFolderTab
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*
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*
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* PURPOSE: Encapsulates a single tab on the tab control
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*
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*+-------------------------------------------------------------------------*/
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class CFolderTab : public CFolderTabMetrics
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{
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private:
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CString m_sText; // tab text
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CRect m_rect; // bounding rect
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CRgn m_rgn; // polygon region to fill (trapezoid)
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CLSID m_clsid;
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CPoint m_rgPts[4];
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void SetRgn(); // called by ComputeRgn() and SetWidth()
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int ComputeRgn(CDC& dc, int x);
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int Draw (CDC& dc, CFont& font, BOOL bSelected, bool bFocused);
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int DrawTrapezoidal(CDC& dc, CFont& font, BOOL bSelected, bool bFocused);
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BOOL HitTest(CPoint pt) { return m_rgn.PtInRegion(pt);}
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const CRect& GetRect() const { return m_rect;}
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void GetTrapezoid(const CRect& rc, CPoint* pts) const;
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int GetWidth() const;
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void SetWidth(int nWidth);
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void Offset(const CPoint &point);
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friend class CFolderTabView;
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public:
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CFolderTab();
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CFolderTab(const CFolderTab &other);
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CFolderTab &operator = (const CFolderTab &other);
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void SetText(LPCTSTR lpszText) { m_sText = lpszText; }
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LPCTSTR GetText() const { return m_sText;}
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void SetClsid(const CLSID& clsid){ m_clsid = clsid;}
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CLSID GetClsid() { return m_clsid;}
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};
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enum
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{
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FTN_TABCHANGED = 1
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}; // notification: tab changed
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struct NMFOLDERTAB : public NMHDR
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{ // notification struct
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int iItem; // item index
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const CFolderTab* pItem; // ptr to data, if any
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};
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/*+-------------------------------------------------------------------------*
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* CFolderTabView
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*
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*
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* PURPOSE: Provides an Excel-like tab control
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*
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*+-------------------------------------------------------------------------*/
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class CFolderTabView :
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public CView,
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public CFolderTabMetrics,
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public CTiedObject
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{
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typedef CView BC;
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typedef std::list<CFolderTab> CFolderTabList;
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typedef CFolderTabList::iterator iterator;
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protected:
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CFolderTabList m_tabList; // array of CFolderTabs
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int m_iCurItem; // current selected tab
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CFont m_fontNormal; // current font, normal ntab
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CFont m_fontSelected; // current font, selected tab
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CView * m_pParentView;
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bool m_bVisible;
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bool m_fHaveFocus;
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int m_sizeX;
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int m_sizeY;
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HWND m_hWndUpDown; // the up-down control
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int m_nPos; // the first tab displayed
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CComPtr<IAccessible> m_spTabAcc; // the CTabAccessible object
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// helpers
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void DrawTabs(CDC& dc, const CRect& rc);
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void CreateFonts();
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void DeleteFonts();
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public:
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CFolderTabView(CView *pParentView);
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virtual ~CFolderTabView();
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BOOL CreateFromStatic(UINT nID, CWnd* pParent);
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virtual BOOL Create(DWORD dwWndStyle, const RECT& rc,
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CWnd* pParent, UINT nID, DWORD dwFtabStyle=0);
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virtual void OnDraw(CDC* pDC); // overridden to draw this view
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virtual BOOL OnCmdMsg( UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo );
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void Layout (CRect& rectTotal, CRect& rectFTab);
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CFolderTab &GetItem(int iPos);
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int GetSelectedItem() { return m_iCurItem;}
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int GetItemCount() { return m_tabList.size();}
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int GetDesiredHeight() { return GetSystemMetrics(SM_CYHSCROLL);}
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BOOL AddItem(LPCTSTR lpszText, const CLSID& clsid);
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BOOL RemoveItem(int iPos);
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void DeleteAllItems();
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void RecomputeLayout();
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int HitTest(CPoint pt);
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int SelectItem(int iTab, bool bEnsureVisible = false);
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int SelectItemByClsid(const CLSID& clsid);
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void SetFonts(CFont& fontNormal, CFont& fontSelected);
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void SetVisible(bool bVisible) {m_bVisible = bVisible;}
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bool IsVisible() { return m_bVisible;}
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public:
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// *** IAccessible methods ***
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SC Scget_accParent (IDispatch** ppdispParent);
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SC Scget_accChildCount (long* pChildCount);
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SC Scget_accChild (VARIANT varChildID, IDispatch ** ppdispChild);
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SC Scget_accName (VARIANT varChildID, BSTR* pszName);
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SC Scget_accValue (VARIANT varChildID, BSTR* pszValue);
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SC Scget_accDescription (VARIANT varChildID, BSTR* pszDescription);
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SC Scget_accRole (VARIANT varChildID, VARIANT *pvarRole);
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SC Scget_accState (VARIANT varChildID, VARIANT *pvarState);
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SC Scget_accHelp (VARIANT varChildID, BSTR* pszHelp);
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SC Scget_accHelpTopic (BSTR* pszHelpFile, VARIANT varChildID, long* pidTopic);
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SC Scget_accKeyboardShortcut (VARIANT varChildID, BSTR* pszKeyboardShortcut);
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SC Scget_accFocus (VARIANT * pvarFocusChild);
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SC Scget_accSelection (VARIANT * pvarSelectedChildren);
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SC Scget_accDefaultAction (VARIANT varChildID, BSTR* pszDefaultAction);
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SC ScaccSelect (long flagsSelect, VARIANT varChildID);
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SC ScaccLocation (long* pxLeft, long* pyTop, long* pcxWidth, long* pcyHeight, VARIANT varChildID);
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SC ScaccNavigate (long navDir, VARIANT varStart, VARIANT * pvarEndUpAt);
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SC ScaccHitTest (long xLeft, long yTop, VARIANT * pvarChildAtPoint);
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SC ScaccDoDefaultAction (VARIANT varChildID);
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SC Scput_accName (VARIANT varChildID, BSTR szName);
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SC Scput_accValue (VARIANT varChildID, BSTR pszValue);
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private:
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void ShowUpDownControl(BOOL bShow);
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void EnsureVisible(int iTab);
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int ComputeRegion(CClientDC& dc);
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int GetTotalTabWidth(CClientDC& dc);
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SC ScFireAccessibilityEvent (DWORD dwEvent, LONG idObject);
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SC ScValidateChildID (VARIANT &var);
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SC ScValidateChildID (LONG id);
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protected:
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void Paint(bool bFocused);
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afx_msg void OnSetFocus(CWnd* pOldWnd);
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afx_msg void OnKillFocus(CWnd* pNewWnd);
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afx_msg void OnPaint();
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afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
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afx_msg void OnKeyDown( UINT nChar, UINT nRepCnt, UINT nFlags );
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afx_msg int OnMouseActivate( CWnd* pDesktopWnd, UINT nHitTest, UINT message );
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afx_msg void OnSettingChange(UINT uFlags, LPCTSTR lpszSection);
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afx_msg void OnSize(UINT nType, int cx, int cy);
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afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar );
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afx_msg void OnHScroll(NMHDR *nmhdr, LRESULT *pRes);
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afx_msg LRESULT OnGetObject(WPARAM wParam, LPARAM lParam);
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DECLARE_DYNAMIC(CFolderTabView);
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DECLARE_MESSAGE_MAP()
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};
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#endif // FTAB_H
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