listbox中选择背景位图.rar_ListBox_list_list 背景色_背景色

// mylistboxDlg.cpp : implementation file // #include "stdafx.h" #include "mylistbox.h" #include "mylistboxDlg.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() ///////////////////////////////////////////////////////////////////////////// // CMylistboxDlg dialog CMylistboxDlg::CMylistboxDlg(CWnd* pParent /*=NULL*/) : CDialog(CMylistboxDlg::IDD, pParent) { //{{AFX_DATA_INIT(CMylistboxDlg) m_item = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CMylistboxDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CMylistboxDlg) DDX_Control(pDX, IDC_LIST1, m_listbox); DDX_Text(pDX, IDC_EDIT1, m_item); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CMylistboxDlg, CDialog) //{{AFX_MSG_MAP(CMylistboxDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON1, OnButton1) ON_BN_CLICKED(IDC_BUTTON2, OnButton2) ON_BN_CLICKED(IDC_BUTTON3, OnButton3) ON_BN_CLICKED(IDC_BUTTON4, OnButton4) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMylistboxDlg message handlers BOOL CMylistboxDlg::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 // TODO: Add extra initialization here m_listbox.AddString("I like shanghai"); m_listbox.AddString("I like VCKBASE"); m_listbox.AddString("I like china"); m_listbox.AddString("I like c++"); m_listbox.AddString("I like VC++"); m_listbox.AddString("I like shanghai"); m_listbox.AddString("I like VCKBASE"); m_listbox.AddString("I like china"); m_listbox.AddString("I like c++"); m_listbox.AddString("I like VC++"); m_listbox.AddString("I like shanghai"); m_listbox.AddString("I like VCKBASE"); m_listbox.AddString("I like china"); m_listbox.AddString("I like c++"); m_listbox.AddString("I like xml"); m_listbox.AddString("I like shanghai"); m_listbox.AddString("who u r"); m_listbox.AddString("who am I"); iStatus = 0 ; // 第一幅图； m_listbox.GetClientRect(&size1); size2.right = size3.right= size1.right; size2.bottom = size3.bottom = size1.bottom; HBITMAP htempbmp; m_listbox.m_bmp.LoadBitmap(IDB_BITMAP2); hbmp = (HBITMAP )m_listbox.m_bmp.Detach(); htempbmp = GetSizeBITMAP(hbmp , size1.right,size1.bottom); m_listbox.m_bmp.Attach(htempbmp); bmp.LoadBitmap(IDB_BITMAP1); hbmp2 =(HBITMAP ) bmp.Detach(); hbmp2 = GetSizeBITMAP(hbmp2 , size1.right,size1.bottom); m_listbox.Invalidate(); return TRUE; // return TRUE unless you set the focus to a control } void CMylistboxDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } void CMylistboxDlg::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 CMylistboxDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CMylistboxDlg::OnButton1() { iStatus = 1 - iStatus; if(iStatus==0) { m_listbox.GetClientRect(&size2); HBITMAP htempbmp; htempbmp = GetSizeBITMAP(hbmp , size2.right ,size2.bottom); m_listbox.m_bmp.Detach(); m_listbox.m_bmp.Attach(htempbmp); size1.right = size2.right; size1.bottom = size2.bottom; Invalidate(TRUE); } else { m_listbox.GetClientRect(&size3); HBITMAP htempbmp; htempbmp = GetSizeBITMAP(hbmp2 , size3.right ,size3.bottom); m_listbox.m_bmp.Detach(); m_listbox.m_bmp.Attach(htempbmp); size1.right = size3.right; size1.bottom = size3.bottom; Invalidate(TRUE); } } void CMylistboxDlg::OnButton2() { UpdateData(TRUE); if(!strlen(m_item)) return; m_listbox.AddString(m_item); Refresh(); } void CMylistboxDlg::OnButton3() { for (int i=0;i < m_listbox.GetCount();i++) { if(m_listbox.GetSel( i )) m_listbox.DeleteString(i); } Refresh(); } void CMylistboxDlg::OnButton4() { for (int i=m_listbox.GetCount()-1; i >=0 ; i--) { m_listbox.DeleteString(i); } Refresh(); } void CMylistboxDlg::Refresh() { if(iStatus==0) { m_listbox.GetClientRect(&size2); if(size2.right==size1.right& size2.bottom==size1.bottom) return; else { HBITMAP htempbmp; htempbmp = GetSizeBITMAP(hbmp , size2.right ,size2.bottom); m_listbox.m_bmp.Detach(); m_listbox.m_bmp.Attach(htempbmp); size1.right = size2.right; size1.bottom = size2.bottom; Invalidate(TRUE); } } else { m_listbox.GetClientRect(&size3); if(size3.right==size1.right& size3.bottom==size1.bottom) return; else { HBITMAP htempbmp; htempbmp = GetSizeBITMAP(hbmp2 , size3.right ,size3.bottom); m_listbox.m_bmp.Detach(); m_listbox.m_bmp.Attach(htempbmp); size1.right = size3.right; size1.bottom = size3.bottom; Invalidate(TRUE); } } } HBITMAP CMylistboxDlg::GetSizeBITMAP(HBITMAP hBitmap, int w, int h) { CDC sourceDC, destDC; sourceDC.CreateCompatibleDC( NULL ); destDC.CreateCompatibleDC( NULL ); BITMAP bm; ::GetObject( hBitmap, sizeof( bm ), &bm ); HBITMAP hbmResult = ::CreateCompatibleBitmap(CClientDC(NULL), w, h); HBITMAP hbmOldSource = (HBITMAP)::SelectObject( sourceDC.m_hDC, hBitmap ); HBITMAP hbmOldDest = (HBITMAP)::SelectObject( destDC.m_hDC, hbmResult ); destDC.BitBlt(0, 0, w, h, &sourceDC, 0, 0, SRCCOPY ); ::SelectObject( sourceDC.m_hDC, hbmOldSource ); ::SelectObject( destDC.m_hDC, hbmOldDest ); return hbmResult; }