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/ Tricks of the Windows Gam…ming Gurus (2nd Edition) / Disc2.iso / msdn_vcb / samples / vc98 / vcoledb / consumer / complexdb / mfcbind / mfcbinddlg.cpp < prev    next >
C/C++ Source or Header  |  1998-04-03  |  4KB  |  171 lines
  1. // MFCBindDlg.cpp : implementation file
  2. //
  3.  
  4. #include "stdafx.h"
  5. #include "MFCBind.h"
  6. #include "MFCBindDlg.h"
  7.  
  8. #ifdef _DEBUG
  9. #define new DEBUG_NEW
  10. #undef THIS_FILE
  11. static char THIS_FILE[] = __FILE__;
  12. #endif
  13.  
  14. /////////////////////////////////////////////////////////////////////////////
  15. // CAboutDlg dialog used for App About
  16.  
  17. class CAboutDlg : public CDialog
  18. {
  19. public:
  20.     CAboutDlg();
  21.  
  22. // Dialog Data
  23.     //{{AFX_DATA(CAboutDlg)
  24.     enum { IDD = IDD_ABOUTBOX };
  25.     //}}AFX_DATA
  26.  
  27.     // ClassWizard generated virtual function overrides
  28.     //{{AFX_VIRTUAL(CAboutDlg)
  29.     protected:
  30.     virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
  31.     //}}AFX_VIRTUAL
  32.  
  33. // Implementation
  34. protected:
  35.     //{{AFX_MSG(CAboutDlg)
  36.     //}}AFX_MSG
  37.     DECLARE_MESSAGE_MAP()
  38. };
  39.  
  40. CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
  41. {
  42.     //{{AFX_DATA_INIT(CAboutDlg)
  43.     //}}AFX_DATA_INIT
  44. }
  45.  
  46. void CAboutDlg::DoDataExchange(CDataExchange* pDX)
  47. {
  48.     CDialog::DoDataExchange(pDX);
  49.     //{{AFX_DATA_MAP(CAboutDlg)
  50.     //}}AFX_DATA_MAP
  51. }
  52.  
  53. BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
  54.     //{{AFX_MSG_MAP(CAboutDlg)
  55.         // No message handlers
  56.     //}}AFX_MSG_MAP
  57. END_MESSAGE_MAP()
  58.  
  59. /////////////////////////////////////////////////////////////////////////////
  60. // CMFCBindDlg dialog
  61.  
  62. CMFCBindDlg::CMFCBindDlg(CWnd* pParent /*=NULL*/)
  63.     : CDialog(CMFCBindDlg::IDD, pParent)
  64. {
  65.     //{{AFX_DATA_INIT(CMFCBindDlg)
  66.         // NOTE: the ClassWizard will add member initialization here
  67.     //}}AFX_DATA_INIT
  68.     // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
  69.     m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
  70. }
  71.  
  72. void CMFCBindDlg::DoDataExchange(CDataExchange* pDX)
  73. {
  74.     CDialog::DoDataExchange(pDX);
  75.     //{{AFX_DATA_MAP(CMFCBindDlg)
  76.         // NOTE: the ClassWizard will add DDX and DDV calls here
  77.     //}}AFX_DATA_MAP
  78. }
  79.  
  80. BEGIN_MESSAGE_MAP(CMFCBindDlg, CDialog)
  81.     //{{AFX_MSG_MAP(CMFCBindDlg)
  82.     ON_WM_SYSCOMMAND()
  83.     ON_WM_PAINT()
  84.     ON_WM_QUERYDRAGICON()
  85.     //}}AFX_MSG_MAP
  86. END_MESSAGE_MAP()
  87.  
  88. /////////////////////////////////////////////////////////////////////////////
  89. // CMFCBindDlg message handlers
  90.  
  91. BOOL CMFCBindDlg::OnInitDialog()
  92. {
  93.     CDialog::OnInitDialog();
  94.  
  95.     // Add "About..." menu item to system menu.
  96.  
  97.     // IDM_ABOUTBOX must be in the system command range.
  98.     ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
  99.     ASSERT(IDM_ABOUTBOX < 0xF000);
  100.  
  101.     CMenu* pSysMenu = GetSystemMenu(FALSE);
  102.     if (pSysMenu != NULL)
  103.     {
  104.         CString strAboutMenu;
  105.         strAboutMenu.LoadString(IDS_ABOUTBOX);
  106.         if (!strAboutMenu.IsEmpty())
  107.         {
  108.             pSysMenu->AppendMenu(MF_SEPARATOR);
  109.             pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
  110.         }
  111.     }
  112.  
  113.     // Set the icon for this dialog.  The framework does this automatically
  114.     //  when the application's main window is not a dialog
  115.     SetIcon(m_hIcon, TRUE);         // Set big icon
  116.     SetIcon(m_hIcon, FALSE);        // Set small icon
  117.  
  118.     // TODO: Add extra initialization here
  119.  
  120.     return TRUE;  // return TRUE  unless you set the focus to a control
  121. }
  122.  
  123. void CMFCBindDlg::OnSysCommand(UINT nID, LPARAM lParam)
  124. {
  125.     if ((nID & 0xFFF0) == IDM_ABOUTBOX)
  126.     {
  127.         CAboutDlg dlgAbout;
  128.         dlgAbout.DoModal();
  129.     }
  130.     else
  131.     {
  132.         CDialog::OnSysCommand(nID, lParam);
  133.     }
  134. }
  135.  
  136. // If you add a minimize button to your dialog, you will need the code below
  137. //  to draw the icon.  For MFC applications using the document/view model,
  138. //  this is automatically done for you by the framework.
  139.  
  140. void CMFCBindDlg::OnPaint()
  141. {
  142.     if (IsIconic())
  143.     {
  144.         CPaintDC dc(this); // device context for painting
  145.  
  146.         SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
  147.  
  148.         // Center icon in client rectangle
  149.         int cxIcon = GetSystemMetrics(SM_CXICON);
  150.         int cyIcon = GetSystemMetrics(SM_CYICON);
  151.         CRect rect;
  152.         GetClientRect(&rect);
  153.         int x = (rect.Width() - cxIcon + 1) / 2;
  154.         int y = (rect.Height() - cyIcon + 1) / 2;
  155.  
  156.         // Draw the icon
  157.         dc.DrawIcon(x, y, m_hIcon);
  158.     }
  159.     else
  160.     {
  161.         CDialog::OnPaint();
  162.     }
  163. }
  164.  
  165. // The system calls this to obtain the cursor to display while the user drags
  166. //  the minimized window.
  167. HCURSOR CMFCBindDlg::OnQueryDragIcon()
  168. {
  169.     return (HCURSOR) m_hIcon;
  170. }
  171.