VC++深入详解 第8章表单程序菜鸟级练习详述.docxVIP

《VC++深入详解》第8章 表单程序菜鸟级练习详述1、加入简单文本保存功能。2、加入文本逐行读取并显示功能。3、注释部分调试中发现的菜鸟级问题。“ChildView.h”文件内容如下：// ChildView.h : CChildView 类的接口//#pragma once// CChildView 窗口class CChildView : public CWnd{// 构造public:CChildView();// 特性public:// 操作public:// 重写protected:virtual BOOL PreCreateWindow(CREATESTRUCT cs);// 实现public:virtual ~CChildView();// 生成的消息映射函数protected:afx_msg void OnPaint();DECLARE_MESSAGE_MAP()public:afx_msg void OnPropertysheet();private:CString m_Salary;bool m_like[4];int m_Occupation;CString m_WorkAddr;public:afx_msg void OnSave();afx_msg void OnOpenfile();int occupation;private:CString m_tempstr;int m_filelength;int m_filelinenumber;CString *m_filecont;};“ChildView.cpp”文件内容如下：/ ChildView.cpp : CChildView 类的实现#include stdafx.h#include Prop.h#include ChildView.h#include PropSheet.h#ifdef _DEBUG#define new DEBUG_NEW#endif// CChildViewCChildView::CChildView(): occupation(0), m_tempstr(_T()), m_filelength(0), m_filelinenumber(0), m_filecont(NULL){m_Occupation = 0;m_Salary = _T(); memset(m_like,0,sizeof(m_like)); m_WorkAddr=_T();}CChildView::~CChildView(){}BEGIN_MESSAGE_MAP(CChildView, CWnd)ON_WM_PAINT()ON_COMMAND(IDM_PROPERTYSHEET, CChildView::OnPropertysheet)ON_COMMAND(ID_SAVE, CChildView::OnSave)ON_COMMAND(ID_OPENFILE, CChildView::OnOpenfile)END_MESSAGE_MAP()// CChildView 消息处理程序BOOL CChildView::PreCreateWindow(CREATESTRUCT cs) {if (!CWnd::PreCreateWindow(cs))return FALSE;cs.dwExStyle |= WS_EX_CLIENTEDGE;cs.style = ~WS_BORDER;cs.lpszClass = AfxRegisterWndClass(CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS, ::LoadCursor(NULL, IDC_ARROW), reinterpret_castHBRUSH(COLOR_WINDOW+1), NULL);return TRUE;}void CChildView::OnPaint() {CPaintDC dc(this); // 用于绘制的设备上下文// TODO: 在此处添加消息处理程序代码// 不要为绘制消息而调用 CWnd::OnPaint()CFont font;font.CreatePointFont(300,_T(华文行楷));CFont *poldFont;poldFont=dc.SelectObject(font);TEXTMETRIC tm;dc.GetTextMetrics(tm);if(occupation==1) //用于显示读取文件中的文本内容{for(int i=0;i m_filelinenumber ;i++){dc.TextOutA(0,tm.tmHeight*(i+1),m_filecont[i]);} occupation=0;}if(