一个简单的鼠标钩子程序源码

// MouseHookDlg.cpp : implementation file // #include "stdafx.h" #include "MouseHook.h" #include "MouseHookDlg.h" #include "..\MouseHook.h" #pragma comment(lib, "..\\Debug\\MouseHook.lib") #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CMouseHookDlg dialog CMouseHookDlg::CMouseHookDlg(CWnd* pParent /*=NULL*/) : CDialog(CMouseHookDlg::IDD, pParent) { //{{AFX_DATA_INIT(CMouseHookDlg) m_WndName = _T(""); m_XCord = _T(""); m_YCord = _T(""); m_hWindow = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CMouseHookDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CMouseHookDlg) DDX_Text(pDX, IDC_WINDOW, m_WndName); DDX_Text(pDX, IDC_XCORD, m_XCord); DDX_Text(pDX, IDC_YCORD, m_YCord); DDX_Text(pDX, IDC_HWND, m_hWindow); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CMouseHookDlg, CDialog) //{{AFX_MSG_MAP(CMouseHookDlg) ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_WM_COPYDATA() ON_WM_DESTROY() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMouseHookDlg message handlers BOOL CMouseHookDlg::OnInitDialog() { CDialog::OnInitDialog(); // 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 StartHook((ULONG)m_hWnd); return TRUE; // return TRUE unless you set the focus to a control } // 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 CMouseHookDlg::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 CMouseHookDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } BOOL CMouseHookDlg::OnCopyData(CWnd* pWnd, COPYDATASTRUCT* pCopyDataStruct) { PMOUSEHOOKSTRUCT pmst = (PMOUSEHOOKSTRUCT)pCopyDataStruct->lpData; m_XCord.Format("%d", pmst->pt.x); m_YCord.Format("%d", pmst->pt.y); m_hWindow.Format("%d", pmst->hwnd); char wndtxt[MAX_PATH] = ""; ::GetWindowText(pmst->hwnd, wndtxt, ::GetWindowTextLength(pmst->hwnd) + 1); m_WndName = wndtxt; UpdateData(FALSE); return CDialog::OnCopyData(pWnd, pCopyDataStruct); } void CMouseHookDlg::OnDestroy() { CDialog::OnDestroy(); StopHook(); }