regexampledlg.cpp

MFC程序开发参考大全 【明日科技】宋坤 刘锐宁 李伟明 【丛 书 名】 软件工程师典藏 【出 版 社】 人民邮电出版社 本书详细介绍了MFC框架中所有常用类及控件的应用

// RegExampleDlg.cpp : implementation file
//

#include "stdafx.h"
#include "RegExample.h"
#include "RegExampleDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

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

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

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

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRegExampleDlg dialog

CRegExampleDlg::CRegExampleDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRegExampleDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CRegExampleDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CRegExampleDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRegExampleDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CRegExampleDlg, CDialog)
	//{{AFX_MSG_MAP(CRegExampleDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTWRITEKEY, OnWriteKey)
	ON_BN_CLICKED(IDC_BTQUERYKEY, OnQueryKey)
	ON_BN_CLICKED(IDC_BTDELKEY, OnDelKey)
	ON_BN_CLICKED(IDC_BTWRITEBINVALUE, OnWriteBinValue)
	ON_BN_CLICKED(IDC_BTWRITESTRVALUE, OnWriteStrValue)
	ON_BN_CLICKED(IDC_BTQUERYBIN, OnQueryBinValue)
	ON_BN_CLICKED(IDC_BTQUERYSTR, OnQueryStrValue)
	ON_BN_CLICKED(IDC_BTDELBIN, OnDelBinValue)
	ON_BN_CLICKED(IDC_BTDELSTR, OnDelStrValue)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRegExampleDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	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);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	GetDlgItem(IDC_EDKEY)->EnableWindow(FALSE);
	GetDlgItem(IDC_EDBINVALUE)->EnableWindow(FALSE);
	GetDlgItem(IDC_EDSTRVALUE)->EnableWindow(FALSE);
	CString key="HKEY_CURRENT_USER\\Software\\mingrisoft";
	CString bin="1";
	CString str="soft";
	GetDlgItem(IDC_EDKEY)->SetWindowText(key);
	GetDlgItem(IDC_EDBINVALUE)->SetWindowText(bin);
	GetDlgItem(IDC_EDSTRVALUE)->SetWindowText(str);

	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CRegExampleDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		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;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CRegExampleDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CRegExampleDlg::OnWriteKey() 
{
	/*
	HKEY key;
	//"\\Software\\mingrisoft"错误写法，将返回161
	//"Software\\mingrisoft\\"正确写法
	LPCTSTR skey="Software\\mingrisoft";
	long iret=RegCreateKey(HKEY_CURRENT_USER,skey,&key);
	//ERROR_SUCCESS为0
	if(iret==0)
	{
		MessageBox("创建成功并打开","提示",MB_OK);
		RegCloseKey(key);
	}
	else
	{
		CString strerr;strerr.Format("函数返回值%d",iret);
		MessageBox(strerr,"出错",MB_OK);
	}
	*/
	HKEY key;
	DWORD dispos;
	CString skey="Software\\mingrisoft";
	SECURITY_ATTRIBUTES sa;
	sa.nLength = sizeof(SECURITY_ATTRIBUTES); 
    sa.bInheritHandle = TRUE; 
    sa.lpSecurityDescriptor = NULL;
	//没有初始化SECURITY_ATTRIBUTES，返回87
	long iret=RegCreateKeyEx(HKEY_CURRENT_USER,skey,0L,
		"",REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,&sa,&key,&dispos);
	if(iret==0)
	{
		MessageBox("创建成功并打开","提示",MB_OK);
		RegCloseKey(key);
	}
	else
	{
		CString strerr;strerr.Format("函数返回值%d",iret);
		MessageBox(strerr,"出错",MB_OK);
	}
}

void CRegExampleDlg::OnQueryKey() 
{
	/*
	HKEY key;
	CString skey="Software\\mingrisoft";
	long iret=RegOpenKey(HKEY_CURRENT_USER,skey,&key);
	//如果返回2，表示键值不存在
	if(iret==0)
	{
		MessageBox("键值存在并打开","提示",MB_OK);
		RegCloseKey(key);
	}
	else
	{
		CString strerr;strerr.Format("函数返回值%d",iret);
		MessageBox(strerr,"出错",MB_OK);
	}
	*/
	HKEY key;
	CString skey="Software\\mingrisoft";
	long iret=RegOpenKeyEx(HKEY_CURRENT_USER,skey,
		REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,&key);
	if(iret==0)
	{
		MessageBox("键值存在并打开","提示",MB_OK);
		RegCloseKey(key);
	}
	else
	{
		CString strerr;strerr.Format("函数返回值%d",iret);
		MessageBox(strerr,"出错",MB_OK);
	}
}

void CRegExampleDlg::OnDelKey() 
{
	CString skey="Software\\mingrisoft";
	long iret=RegDeleteKey(HKEY_CURRENT_USER,skey);
	//如果返回2，表示键值不存在
	if(iret==0)
	{
		MessageBox("删除键值成功","提示",MB_OK);
	}
	else
	{
		CString strerr;strerr.Format("函数返回值%d",iret);
		MessageBox(strerr,"出错",MB_OK);
	}
}

void CRegExampleDlg::OnWriteBinValue() 
{
	
	HKEY key;
	DWORD dispos;//创建返回1，打开返回2
	CString skey="Software\\mingrisoft";//如果为空""，写入跟键
	SECURITY_ATTRIBUTES sa;
	sa.nLength = sizeof(SECURITY_ATTRIBUTES); 
    sa.bInheritHandle = TRUE; 
    sa.lpSecurityDescriptor = NULL;
	DWORD value=1;//默认值设置为3435973836
	long iret=RegCreateKeyEx(HKEY_CURRENT_USER,skey,0L,
		"",REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,&sa,&key,&dispos);
	if(iret==0)
	{
		//iret=RegSetValueEx(key,"",0,REG_DWORD,(BYTE*)&value,sizeof(DWORD));//写入默认值
		iret=RegSetValueEx(key,"bin",0,REG_DWORD,(BYTE*)&value,sizeof(DWORD));
		if(iret==0)
		{
			MessageBox("值项创建成功","提示",MB_OK);
			RegCloseKey(key);
		}
		else
		{
			CString strerr;strerr.Format("函数返回值%d",iret);
			MessageBox(strerr,"出错",MB_OK);
		}
	}
	else
	{
		CString strerr;strerr.Format("函数返回值%d",iret);
		MessageBox(strerr,"出错",MB_OK);
	}
	
}

void CRegExampleDlg::OnWriteStrValue() 
{
	/*
	HKEY key;
	CString skey="Software\\mingrisoft";//如果没有子项就新建
	CString value="soft";
	//int iret=RegSetValue(HKEY_CURRENT_USER,"",REG_SZ,value,sizeof(DWORD));//为空写入跟键
	int iret=RegSetValue(HKEY_CURRENT_USER,skey,REG_SZ,value,sizeof(DWORD));
	//只能写入REG_SZ型数据
	if(iret==0)
	{
		MessageBox("创建成功","提示",MB_OK);
	}
	*/
	
	HKEY key;
	DWORD dispos;//创建返回1，打开返回2
	CString skey="Software\\mingrisoft";//如果为空""，写入跟键
	SECURITY_ATTRIBUTES sa;
	sa.nLength = sizeof(SECURITY_ATTRIBUTES); 
    sa.bInheritHandle = TRUE; 
    sa.lpSecurityDescriptor = NULL;
	long iret=RegCreateKeyEx(HKEY_CURRENT_USER,skey,0L,
		"",REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,&sa,&key,&dispos);
	if(iret==0)
	{
		CString value="soft";
		//iret=RegSetValueEx(key,"",0,REG_SZ,(BYTE*)value.GetBuffer(0),value.GetLength());//写入默认值
		iret=RegSetValueEx(key,"str",0,REG_SZ,(BYTE*)value.GetBuffer(0),value.GetLength());
		//iret=RegSetValueEx(key,"str",0,REG_SZ,(BYTE*)"soft",sizeof(DWORD));
		if(iret==0)
		{
			MessageBox("字符串值项创建成功","提示",MB_OK);
			RegCloseKey(key);
		}
		else
		{
			CString strerr;strerr.Format("函数返回值%d",iret);
			MessageBox(strerr,"出错",MB_OK);
		}
		
	}
	else
	{
		CString strerr;strerr.Format("函数返回值%d",iret);
		MessageBox(strerr,"出错",MB_OK);
	}
	
	//RegSetValueEx(HKEY_CURRENT_USER,"newvaluename",0,REG_SZ,(BYTE*)"soft",4);//直接向跟键写入默认值或新值项
}

void CRegExampleDlg::OnQueryBinValue() 
{
	
	HKEY key;
	DWORD data;
	DWORD size;
	DWORD type=REG_DWORD;
	CString skey="Software\\mingrisoft";
	long iret=RegOpenKeyEx(HKEY_CURRENT_USER,skey,
		REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,&key);
	if(iret==0)
	{
		CString value;
		iret=RegQueryValueEx(key,"bin",0,&type,(BYTE*)&data,&size);
		if(iret==0)
		{
			value.Format("%d",data);
			MessageBox(value,"查询的值是：",MB_OK);
			RegCloseKey(key);
		}
		else
		{
			CString strerr;strerr.Format("函数返回值%d",iret);
			MessageBox(strerr,"出错",MB_OK);
		}
	}

}

void CRegExampleDlg::OnQueryStrValue() 
{
	/*
	CString skey="Software\\mingrisoft";
	long size;
	char buf[128];
	int iret=RegQueryValue(HKEY_CURRENT_USER,skey,buf,&size);//只能获取默认值项，并且类型应该是字符型
	if(iret==0)
	{
		CString value;
		buf[size]=0;
		value.Format("%s",buf);
		MessageBox(value,"值项数据为：",MB_OK);
	}
	else
	{
		CString strerr;strerr.Format("函数返回值%d",iret);
		MessageBox(strerr,"出错",MB_OK);
	}
	*/
	HKEY key;
	BYTE data[128];
	//LPBYTE data;data=new BYTE[128];
	//LPDWORD类型必须先用DWORD dw定义，然后&dw
	DWORD size;
	DWORD type=REG_SZ;
	CString skey="Software\\mingrisoft";
	long iret=RegOpenKeyEx(HKEY_CURRENT_USER,skey,
		REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,&key);
	if(iret==0)
	{
		CString value;
		iret=RegQueryValueEx(key,"str",0,&type,data,&size);
		if(iret==0)
		{
			value.Format("%s",data);
			MessageBox(value,"查询的值是：",MB_OK);
			RegCloseKey(key);
		}
		else
		{
			CString strerr;strerr.Format("函数返回值%d",iret);
			MessageBox(strerr,"出错",MB_OK);
		}
	}
}

void CRegExampleDlg::OnDelBinValue() 
{
	HKEY key;
	CString skey="Software\\mingrisoft";
	long iret=RegOpenKey(HKEY_CURRENT_USER,skey,&key);
	if(iret==0)
	{
		iret=RegDeleteValue(key,"bin");
		if(iret==0)
		{
			MessageBox("值项删除成功","提示",MB_OK);
			RegCloseKey(key);
		}
		else
		{
			CString strerr;strerr.Format("函数返回值%d",iret);
			MessageBox(strerr,"出错",MB_OK);
		}
	}
	
}

void CRegExampleDlg::OnDelStrValue() 
{
	HKEY key;
	CString skey="Software\\mingrisoft";
	long iret=RegOpenKey(HKEY_CURRENT_USER,skey,&key);
	if(iret==0)
	{
		CString tmp="str";
		iret=RegDeleteValue(key,tmp);
		if(iret==0)
		{
			MessageBox("值项删除成功","提示",MB_OK);
			RegCloseKey(key);
		}
		else
		{
			CString strerr;strerr.Format("函数返回值%d",iret);
			MessageBox(strerr,"出错",MB_OK);
		}
	}
	
}