TestHcOCXDlg.cpp 2.7 KB

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  1. // TestHcOCXDlg.cpp : 实现文件
  2. //
  3. #include "stdafx.h"
  4. #include "TestHcOCX.h"
  5. #include "TestHcOCXDlg.h"
  6. #ifdef _DEBUG
  7. #define new DEBUG_NEW
  8. #endif
  9. // 用于应用程序“关于”菜单项的 CAboutDlg 对话框
  10. class CAboutDlg : public CDialog
  11. {
  12. public:
  13. CAboutDlg();
  14. // 对话框数据
  15. enum { IDD = IDD_ABOUTBOX };
  16. protected:
  17. virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
  18. // 实现
  19. protected:
  20. DECLARE_MESSAGE_MAP()
  21. };
  22. CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
  23. {
  24. }
  25. void CAboutDlg::DoDataExchange(CDataExchange* pDX)
  26. {
  27. CDialog::DoDataExchange(pDX);
  28. }
  29. BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
  30. END_MESSAGE_MAP()
  31. // CTestHcOCXDlg 对话框
  32. CTestHcOCXDlg::CTestHcOCXDlg(CWnd* pParent /*=NULL*/)
  33. : CDialog(CTestHcOCXDlg::IDD, pParent)
  34. {
  35. m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
  36. }
  37. void CTestHcOCXDlg::DoDataExchange(CDataExchange* pDX)
  38. {
  39. CDialog::DoDataExchange(pDX);
  40. }
  41. BEGIN_MESSAGE_MAP(CTestHcOCXDlg, CDialog)
  42. ON_WM_SYSCOMMAND()
  43. ON_WM_PAINT()
  44. ON_WM_QUERYDRAGICON()
  45. //}}AFX_MSG_MAP
  46. END_MESSAGE_MAP()
  47. // CTestHcOCXDlg 消息处理程序
  48. BOOL CTestHcOCXDlg::OnInitDialog()
  49. {
  50. CDialog::OnInitDialog();
  51. // 将\“关于...\”菜单项添加到系统菜单中。
  52. // IDM_ABOUTBOX 必须在系统命令范围内。
  53. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
  54. ASSERT(IDM_ABOUTBOX < 0xF000);
  55. CMenu* pSysMenu = GetSystemMenu(FALSE);
  56. if (pSysMenu != NULL)
  57. {
  58. CString strAboutMenu;
  59. strAboutMenu.LoadString(IDS_ABOUTBOX);
  60. if (!strAboutMenu.IsEmpty())
  61. {
  62. pSysMenu->AppendMenu(MF_SEPARATOR);
  63. pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
  64. }
  65. }
  66. // 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
  67. // 执行此操作
  68. SetIcon(m_hIcon, TRUE); // 设置大图标
  69. SetIcon(m_hIcon, FALSE); // 设置小图标
  70. // TODO: 在此添加额外的初始化代码
  71. return TRUE; // 除非设置了控件的焦点,否则返回 TRUE
  72. }
  73. void CTestHcOCXDlg::OnSysCommand(UINT nID, LPARAM lParam)
  74. {
  75. if ((nID & 0xFFF0) == IDM_ABOUTBOX)
  76. {
  77. CAboutDlg dlgAbout;
  78. dlgAbout.DoModal();
  79. }
  80. else
  81. {
  82. CDialog::OnSysCommand(nID, lParam);
  83. }
  84. }
  85. // 如果向对话框添加最小化按钮,则需要下面的代码
  86. // 来绘制该图标。对于使用文档/视图模型的 MFC 应用程序,
  87. // 这将由框架自动完成。
  88. void CTestHcOCXDlg::OnPaint()
  89. {
  90. if (IsIconic())
  91. {
  92. CPaintDC dc(this); // 用于绘制的设备上下文
  93. SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
  94. // 使图标在工作矩形中居中
  95. int cxIcon = GetSystemMetrics(SM_CXICON);
  96. int cyIcon = GetSystemMetrics(SM_CYICON);
  97. CRect rect;
  98. GetClientRect(&rect);
  99. int x = (rect.Width() - cxIcon + 1) / 2;
  100. int y = (rect.Height() - cyIcon + 1) / 2;
  101. // 绘制图标
  102. dc.DrawIcon(x, y, m_hIcon);
  103. }
  104. else
  105. {
  106. CDialog::OnPaint();
  107. }
  108. }
  109. //当用户拖动最小化窗口时系统调用此函数取得光标显示。
  110. HCURSOR CTestHcOCXDlg::OnQueryDragIcon()
  111. {
  112. return static_cast<HCURSOR>(m_hIcon);
  113. }