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   源码介绍

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自己编写的用钩子技术实现的类似按键精灵的软件，当然只是很简单的功能，只适合新手学习参考。

// 按键精灵Dlg.cpp : 实现文件
//

#include "stdafx.h"
#include "按键精灵.h"
#include "按键精灵Dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW

#endif

LRESULT CALLBACK RecHook(int code,WPARAM wParam,LPARAM lParam);
LRESULT CALLBACK PlayHook(int code,WPARAM wParam,LPARAM lParam);

HHOOK recHook,playHook;
EVENTMSG EventArray[1000];
int recordedEvent=0;
int playedEvent=0;
// 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()


// C按键精灵Dlg 对话框




C按键精灵Dlg::C按键精灵Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(C按键精灵Dlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void C按键精灵Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(C按键精灵Dlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_KEYDOWN()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_BUTTON1, &C按键精灵Dlg::onstart)
	ON_BN_CLICKED(IDC_BUTTON2, &C按键精灵Dlg::stop)
	ON_BN_CLICKED(IDC_BUTTON3, &C按键精灵Dlg::replay)
END_MESSAGE_MAP()


// C按键精灵Dlg 消息处理程序

BOOL C按键精灵Dlg::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;  // 除非将焦点设置到控件，否则返回 TRUE
}
BOOL C按键精灵Dlg::PreTranslateMessage(MSG* pMsg)
{
 // TODO: 在此添加专用代码和/或调用基类
 //判断是否为键盘消息
 if (WM_KEYFIRST <= pMsg->message && pMsg->message <= WM_KEYLAST)
 {
  //判断是否按下键盘a键
  if(pMsg->wParam==97)
  {

   //Do anything what you want to
     recordedEvent=0;
	recHook=SetWindowsHookEx(WH_JOURNALRECORD,(HOOKPROC)RecHook,(HINSTANCE)AfxGetApp()->m_hInstance,0);

  }
    if(pMsg->wParam==98)
  {

   //Do anything what you want to
	UnhookWindowsHookEx(recHook);

  }
    if(pMsg->wParam==99)
  {

   //Do anything what you want to
	    playedEvent=0;
	playHook=SetWindowsHookEx(WH_JOURNALPLAYBACK,(HOOKPROC)PlayHook,(HINSTANCE)AfxGetApp()->m_hInstance,0);


  }
	    if(pMsg->wParam==100)
  {

   //Do anything what you want to
            EndDialog(IDOK);

  }
 }
 return CDialog::PreTranslateMessage(pMsg);
}
void C按键精灵Dlg::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 C按键精灵Dlg::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);

		// 使图标在工作区矩形中居中
		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 C按键精灵Dlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}


void C按键精灵Dlg::onstart()
{
	// TODO: 在此添加控件通知处理程序代码
	     	recordedEvent=0;
	recHook=SetWindowsHookEx(WH_JOURNALRECORD,(HOOKPROC)RecHook,(HINSTANCE)AfxGetApp()->m_hInstance,0);

}

void C按键精灵Dlg::stop()
{
	// TODO: 在此添加控件通知处理程序代码
		UnhookWindowsHookEx(recHook);

}
void C按键精灵Dlg::replay()
{
	// TODO: 在此添加控件通知处理程序代码
	    playedEvent=0;
	playHook=SetWindowsHookEx(WH_JOURNALPLAYBACK,(HOOKPROC)PlayHook,(HINSTANCE)AfxGetApp()->m_hInstance,0);

}
LRESULT CALLBACK RecHook(int code,WPARAM wParam,LPARAM lParam)
{
	static int recOK=1;
	if(code<0)
		return CallNextHookEx(recHook,code,wParam,lParam);
	else if(code==HC_SYSMODALON)
		recOK=0;
	else if(code==HC_SYSMODALOFF)
		recOK=1;
	else if(recOK && (code==HC_ACTION))
	{
		EventArray[recordedEvent]=*((PEVENTMSG)lParam);
		recordedEvent  ;
		if(recordedEvent==1000)
		{
			UnhookWindowsHookEx(recHook);
		}
	}
	return 0;
}

LRESULT CALLBACK PlayHook(int code,WPARAM wParam,LPARAM lParam)
{
	static BOOL fDelay;
	static int playOK=1;
	if(code<0)
		return CallNextHookEx(playHook,code,wParam,lParam);
	else if(code==HC_SYSMODALON)
		playOK=0;
	else if(code==HC_SYSMODALOFF)
	{
		playOK=1;
	}
	else if(playOK && (code==HC_GETNEXT))
	{
		if(fDelay)
		{
			fDelay=FALSE;
			return 50;
		}
		*((PEVENTMSG)lParam)=EventArray[playedEvent];
	}
	else if(playOK && (code==HC_SKIP))
	{
		fDelay=TRUE;
		playedEvent  ;
	}
	if(playedEvent>=recordedEvent)
	{
		UnhookWindowsHookEx(playHook);
	}
	return 0;
}