VC动态创建Edit,Edit响应回车按键时自动销毁!

// CloseSelfControlDlg.cpp : 实现文件 // #include "stdafx.h" #include "CloseSelfControl.h" #include "CloseSelfControlDlg.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() // CCloseSelfControlDlg 对话框 CCloseSelfControlDlg::CCloseSelfControlDlg(CWnd* pParent /*=NULL*/) : CDialog(CCloseSelfControlDlg::IDD, pParent) , m_strShowText(_T("")) { m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); m_edit = NULL; m_rectEdit.SetRectEmpty(); } CCloseSelfControlDlg::~CCloseSelfControlDlg() { DestroyEdit(); } void CCloseSelfControlDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); DDX_Control(pDX, IDC_STATIC_EDIT, m_staticEdit); DDX_Text(pDX, IDC_STATIC_SHOWTEXT, m_strShowText); } BEGIN_MESSAGE_MAP(CCloseSelfControlDlg, CDialog) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() //}}AFX_MSG_MAP ON_BN_CLICKED(IDC_BUTTON1, &CCloseSelfControlDlg::OnBnClickedButton1) ON_BN_CLICKED(IDC_BUTTON2, &CCloseSelfControlDlg::OnBnClickedButton2) ON_BN_CLICKED(IDC_BUTTON3, &CCloseSelfControlDlg::OnBnClickedButton3) ON_WM_LBUTTONDOWN() ON_EN_CHANGE(ID_EDIT, &CCloseSelfControlDlg::OnEnChangeEdit1) ON_MESSAGE(WM_ENTER_MESSAGE, &CCloseSelfControlDlg::OnCloseTheEdit) END_MESSAGE_MAP() // CCloseSelfControlDlg 消息处理程序 BOOL CCloseSelfControlDlg::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) { BOOL bNameValid; CString strAboutMenu; bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX); ASSERT(bNameValid); 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 } void CCloseSelfControlDlg::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 CCloseSelfControlDlg::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 CCloseSelfControlDlg::OnQueryDragIcon() { return static_cast<HCURSOR>(m_hIcon); } void CCloseSelfControlDlg::OnBnClickedButton1() { // TODO: Add your control notification handler code here //GetDlgItem(IDC_STATIC_EDIT)->GetWindowRect(m_rectEdit); CRect rect(114,38, 292,124); CreateEdit(rect, _T("哈哈哈")); } void CCloseSelfControlDlg::OnBnClickedButton2() { // TODO: Add your control notification handler code here ShellExecute(NULL, _T("open"),_T("http://blog.csdn.net/qq_23992597?viewmode=contents"),_T(""),_T(""), SW_SHOW); } void CCloseSelfControlDlg::OnBnClickedButton3() { // TODO: Add your control notification handler code here ShellExecute(NULL, _T("open"),_T("http://jq.qq.com/?_wv=1027&k=40ASUBw"),_T(""),_T(""), SW_SHOW); } void CCloseSelfControlDlg::CreateEdit(CRect rect, CString strEdit) { rect.DeflateRect(1, 1); if (m_edit == NULL) { m_edit = new CFilterEdit; m_edit->Create( WS_CHILD | WS_TABSTOP | ES_LEFT | ES_MULTILINE | ES_AUTOHSCROLL, rect, this, ID_EDIT); m_edit->SetHWND(this->m_hWnd); m_edit->ReplaceSel(strEdit); m_edit->ShowWindow(SW_SHOW); m_edit->SetFocus(); } } void CCloseSelfControlDlg::DestroyEdit() { if (m_edit != NULL) { m_edit->DestroyWindow(); delete m_edit; m_edit = NULL; } } void CCloseSelfControlDlg::OnLButtonDown(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default if (!m_rectEdit.IsRectEmpty() && m_rectEdit.PtInRect(point)) { if (m_edit != NULL) { m_edit->GetWindowText(m_strShowText); } DestroyEdit(); } CDialog::OnLButtonDown(nFlags, point); } void CCloseSelfControlDlg::OnEnChangeEdit1() { // TODO: If this is a RICHEDIT control, the control will not // send this notification unless you override the CDialog::OnInitDialog() // function and call CRichEditCtrl().SetEventMask() // with the ENM_CHANGE flag ORed into the mask. CString strTemp; m_edit->GetWindowText(strTemp); SetDlgItemText(IDC_STATIC_SHOWTEXT, strTemp); // TODO: Add your control notification handler code here } LRESULT CCloseSelfControlDlg::OnCloseTheEdit(WPARAM wParam, LPARAM lParam) { DestroyEdit(); return 0; }