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Annotation of mstools/mfc/samples/fileview/fileview.h, revision 1.1

1.1     ! root        1: // fileview.h : Declares the class interfaces for the application.
        !             2: //          Fileview is a program which can display the contents of
        !             3: //          a text-only file regardless of its size.
        !             4: //
        !             5: // This is a part of the Microsoft Foundation Classes C++ library.
        !             6: // Copyright (C) 1992 Microsoft Corporation
        !             7: // All rights reserved.
        !             8: //
        !             9: // This source code is only intended as a supplement to the
        !            10: // Microsoft Foundation Classes Reference and Microsoft
        !            11: // QuickHelp documentation provided with the library.
        !            12: // See these sources for detailed information regarding the
        !            13: // Microsoft Foundation Classes product.
        !            14: 
        !            15: #ifndef __FILEVIEW_H__
        !            16: #define __FILEVIEW_H__
        !            17: 
        !            18: #include <afxwin.h>
        !            19: #include "resource.h"
        !            20: 
        !            21: /////////////////////////////////////////////////////////////////////////////
        !            22: // Derived class to handle large line files
        !            23: class CLineFile : public CStdioFile
        !            24: {
        !            25:        DECLARE_DYNAMIC(CLineFile)
        !            26: public:
        !            27: // Constructors
        !            28:                                        CLineFile();
        !            29:                                        CLineFile(const char* pszFileName, UINT nOpenFlags);
        !            30: 
        !            31: // Overridables
        !            32: 
        !            33:        virtual LONG    NextLine(char FAR* lpsz, UINT nMax);
        !            34:        virtual LONG    BackLines(char FAR* lpsz, UINT nMax, UINT nLines);
        !            35:        virtual LONG    LineNear(char FAR* lpsz, UINT nMax, LONG  lOffset);
        !            36:        virtual LONG    SetBegin(LONG lnewBegin);
        !            37:                        LONG    GetBegin() { return m_lBeginLine; };
        !            38: 
        !            39: 
        !            40: // Implementation
        !            41:        virtual         ~CLineFile();
        !            42: 
        !            43: private:
        !            44:        LONG    m_lBeginLine;   // 0 for beginning of file
        !            45:                                                        // -1 for don't know
        !            46:                                                        // offset of beginning of a line
        !            47: };
        !            48: 
        !            49: 
        !            50: // CMainWindow:
        !            51: // See fileview.cpp for the code to the member functions and the
        !            52: // message map.
        !            53: //
        !            54: 
        !            55: class CMainWindow : public CFrameWnd
        !            56: {
        !            57: public:
        !            58:        CMainWindow();
        !            59:        ~CMainWindow();
        !            60: 
        !            61:        afx_msg int  OnCreate(LPCREATESTRUCT lpcs);
        !            62:        afx_msg void OnPaint();
        !            63:        afx_msg void OnAbout();
        !            64:        afx_msg void OnOpen();
        !            65:        afx_msg void OnExit();
        !            66:        afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
        !            67:        afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
        !            68:        afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
        !            69: 
        !            70:        DECLARE_MESSAGE_MAP()
        !            71: 
        !            72: private:
        !            73:        CLineFile*  m_pMyFile;
        !            74:        short       m_nVScrollPos;
        !            75:        short       m_nHScrollPos;
        !            76: 
        !            77: 
        !            78:        LONG        m_lTopLine;
        !            79:        LONG        m_lFileSize;
        !            80: 
        !            81:        UINT        m_nCxChar;
        !            82:        UINT        m_nCyChar;
        !            83:        UINT        m_nLinesPainted;
        !            84: 
        !            85: protected:
        !            86:        BOOL    FileDlg(BOOL bOpen, int nMaxFile, LPSTR szFile,
        !            87:                                        int nMaxFileTitle, LPSTR szFileTitle);
        !            88: 
        !            89: };
        !            90: 
        !            91: /////////////////////////////////////////////////////////////////////////////
        !            92: 
        !            93: // CTheApp:
        !            94: // See fileview.cpp for the code to the InitInstance member function.
        !            95: //
        !            96: 
        !            97: class CTheApp : public CWinApp
        !            98: {
        !            99: public:
        !           100:        BOOL InitInstance();
        !           101: };
        !           102: 
        !           103: /////////////////////////////////////////////////////////////////////////////
        !           104: 
        !           105: #define SCROLLMAX 1000
        !           106: 
        !           107: #endif // __FILEVIEW_H__

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