regtab~1.cpp

本书所附光盘的内容包含了开发实例的所有程序源码

// RegTableDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "RegTable.h"
#include "RegTableDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// 对话框数据
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 实现
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// CRegTableDlg 对话框



CRegTableDlg::CRegTableDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRegTableDlg::IDD, pParent)
	, m_School(_T(""))
	, m_Speciality(_T(""))
	, m_Name(_T(""))
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CRegTableDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_SCHOOL, m_School);
	DDX_Text(pDX, IDC_SPECIALITY, m_Speciality);
	DDX_Text(pDX, IDC_NAME, m_Name);
}

BEGIN_MESSAGE_MAP(CRegTableDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_WRITE, OnBnClickedWrite)
	ON_BN_CLICKED(IDC_READ, OnBnClickedRead)
END_MESSAGE_MAP()


// CRegTableDlg 消息处理程序

BOOL CRegTableDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 将\“关于...\”菜单项添加到系统菜单中。

	// IDM_ABOUTBOX 必须在系统命令范围内。
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
	//  执行此操作
	SetIcon(m_hIcon, TRUE);			// 设置大图标
	SetIcon(m_hIcon, FALSE);		// 设置小图标

	// TODO：在此添加额外的初始化代码
	
	return TRUE;  // 除非设置了控件的焦点，否则返回 TRUE
}

void CRegTableDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。

void CRegTableDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用于绘制的设备上下文

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作矩形中居中
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

//当用户拖动最小化窗口时系统调用此函数取得光标显示。
HCURSOR CRegTableDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void CRegTableDlg::OnBnClickedWrite()
{
	// TODO: 在此添加控件通知处理程序代码
		HKEY hKey;
	DWORD rv;
	char school[150];
	char speciality[150];
	char name[150];
	//读取对话框信息
	UpdateData(TRUE);
  
	strcpy(school,m_School);
	strcpy(speciality,m_Speciality);
	strcpy(name,m_Name);
	//创建新键HKEY_LOCAL_MACHINE\software\ZHZ\HCY
	rv=RegCreateKey(
			   HKEY_LOCAL_MACHINE,
			  "software\\ZHZ\\HCY",
	    	   &hKey);
    if(rv==ERROR_SUCCESS){
	//创建名为school的子键，并写入信息
	RegSetValueEx(hKey,
                 "school",
                  0,
                  REG_SZ,
                  (unsigned char *)school,
    					   strlen(school));
	//创建名为speciality的子键，并写入信息
	RegSetValueEx(hKey,
                 "speciality",
                  0,
                  REG_SZ,
                  (unsigned char *)speciality,
    					   strlen(speciality));
	//创建名为name的子键，并写入信息
	RegSetValueEx(hKey,
                 "name",
                  0,
                  REG_SZ,
                  (unsigned char *)name,
    					   strlen(name));
	//关闭打开的注册表
	RegCloseKey(hKey);

}
}



void CRegTableDlg::OnBnClickedRead()
{
	// TODO: 在此添加控件通知处理程序代码
	HKEY hKey;
	DWORD rv;
	char school[150];
	char speciality[150];
	char name[150];
	DWORD dwDataType;
	DWORD dwLength1=sizeof(school);	
	DWORD dwLength2=sizeof(speciality);	
	DWORD dwLength3=sizeof(name);	
	memset(school,0,150);
	memset(speciality,0,150);
	memset(name,0,150);
	//打开注册表中的HLEY_LOCAL_MACHINE\software\ZHZ\HCY键
 rv=RegOpenKeyEx(HKEY_LOCAL_MACHINE,
                    "software\\ZHZ\\HCY",
                     0,
                     KEY_READ,
                     &hKey);
     if(rv==ERROR_SUCCESS){
		 //查询school子键
         RegQueryValueEx(hKey,
                      "school",
                      NULL,
                      &dwDataType,
                      (LPBYTE)school,
                      &dwLength1);
    //查询speciality子键  
	 RegQueryValueEx(hKey,
                      "speciality",
                      NULL,
                      &dwDataType,
                      (LPBYTE)speciality,
                      &dwLength2);
    //查询name子键  
	 RegQueryValueEx(hKey,
                      "name",
                      NULL,
                      &dwDataType,
                      (LPBYTE)name,
                      &dwLength3);
	    //挂比打开的注册表  
		RegCloseKey(hKey);
		
   }
	 //将读取信息显示在编辑框中
    m_School=school;
	m_Speciality=speciality;
	m_Name=name;
	UpdateData(FALSE);
	

}