第12讲 Windows API

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1 UNIT 13 MFC

2 MFC 2

3 MFC 3

4 MFC 4

5 5

6 6

7 7 1 MFC

8 1.1 MFC MFC Microsoft Foundation Class Windows mfc*.dll Windows MFC C++ 8

9 1.1 MFC MFC Microsoft Foundation Class MFC Windows Windows MFC OnPain() CWnd WM_PAINT MFC / 9

10 1.2 MFC MFC MFC Windows API MFC MessageBox() MFC Windows API C++CWnd API API CWnd 10

11 1.3 MFC Windows Microsoft MFC Windows C++ Windows Windows Windows Windows API Windows API Windows API Windows API ActiveX 11

12 1.4 MFC Application Framework C++ AFX(Applicatin Framework GUI AFX 12

13 1.4 MFC 2. AFXMFC Windows API C++ Windows OS/2 Presentation Manager Apple Macintosh C++ Windows API Windows API Win16 MFC API Windows API 13

14 1.4 MFC AFX MFC AFX Windows MFC MFC Windows API AFX 14

15 1.4 MFC MFC MFC AFX AfxGetApp() AFX_IDS_APP_TITLE AFX_MSGMAP_ENTRY Windows APIAFX MFC MFC AFX Microsoft MFCSDK Windows 15

16 1.5 C++ MFC MFC MicroSoft MFC 16

17 1.5 C++ MFC MFC Windows MFC VC 17

18 1.6 MFC MFCMFC C MFC C C o l o r D i a l o g Class Color Dialog 18

19 19

20 20 2 MFC

21 2.1 MFC 1. MFC MFC MFC MSDN hierarchy chart MSDN MFC 21

22 MFC

23 2.2 Cobject CObject CmdTargrt CWnd CObject MFC MFC MFCMFC 23

24 2.3 1 CCmdTarget CObject MFC CCmdTarget CView CWinApp CDocument CWnd CframeWnd CCmdTarget CCmdTargetCView CWinApp 24

25 2.3 2CWinApp MFCCWndApp VC Windows WinMain() CWinApp 1 CWinApp AfxGetApp CWinApp AfxGetResourceHabdle: 25

26 2.3 AfxGetAppName CWinApp m_pszexename 2 CWinApp m_pszappname m_ncmdshow m_pmainwnd 26

27 2.3 3 CWinApp LoadCursor LoadStandardCursor Windows windows.h IDC LoadIcon LoadStandardIcon Windows windows.h IDI OpenDocumentFile 27

28 2.3 4 CWinApp InitApplication InitInstance Windows Run OnIdle PreTranslateMessage TranslateMessage() DispatchMessage() 5 CWinApp SetDialogBkColor Enable3dConrtols 28

29 2.3 3CWinThread CWinApp CWinThread CWinApp 1 CWinThread m_hthread m_nthreadid ID m_pmainwnd 2 CWinThread GetMainWnd GetThreadPriority ResumeThread 29

30 / CDocTemplate CMultiDocTemplate (MDI) CSingleDocTemplate (SDI) CDocument CView

31 1. CWnd 2.4 CWndMFC CWnd Windows CWndCWnd Windows Windows createdestroywindow Windows (1) CWnd m_hwnd CWndHWND (2 CWnd Create CWnd PreCreateWindow CWnd 31 UNIT THIRTEEN Windows

32 2.4 GetStyle SubclassWindow CWnd CWnd FromHandle CWnd GetSafeHand m_hwnd; NULL, NULL 3 CWnd EnableWindow GetActiveWindow SetActiveWindow SetFocus GetFocusCWnd 4 GetWindowPlacement 32

33 SetWindowPlacement MoveWindow CWnd SetWindowPos GetWindowRect CWnd GetClientRect CWnd 5 FindWindow GetTopWindow CWnd GetParent CWnd 2.4 GetDlgItem ID GetDescendantWindow ID UNIT THIRTEEN CenterWindow

34 6 / 2.4 GetDC GetWindowDC ReleaseDC Invalidate ShowWindow 7 SetWindowText GetWindowText SetFont GetFont 8 GetScrollPos ScrollWindow 34

35 2.4 SetScrollPos SetScrollRange 9 GetMen SetMenu HiliteMenuItem 10 OpenClipboard GetClipboardOwner GetOpenCilpboardWindow 35

36 2.4 2 CFrameWnd 1 CFrameWnd SDI 2 CMDIFrameWnd MDI 3 CMDIChildWnd MDI 36

37 CView 2 CScrollView 3 CFormView 4 CRecordViewODBC 5 CEditView Windows 37

38 4 2.4 CWnd CDialog 1 CDialog 2 CCommonDialog 3 CFileDialog 4 CColorDialog 5 CFontDialog 6 CPrintDialog 38

39 2.4 5 Windows 1 CStatic 2 CButton 3 CEdit 39

40 2.4 4 CScrollBar 5 CSliderCtrl 6 CListBox 7 CComboBoxl 8 CBitmapButton 40

41 2.4 9 CAnimateCtrl Windows / AVI 10 CTreeCtrl 11 CListCtrl 4 41

42 CControlBox MFC 2 CToolBar 3 CStatusBar 4 CDialogBar 5 CStatusBarCtrl 6 CToolBarCtrl Windows 42

43 2.5 Windows CObject 1 Windows VC 1 DECLARE_MESSAGE_MAP( ) 2 BEGIN_MESSAGE_MAP 3 END_MESSAGE_MAP() 43

44 2.5 2 CObject CRuntimeClass CObject IsKindOf CObject VC 1 DECLARE_DYNCREATE ( ) 2 IMPLEMENT_DYNCREATE 44

45 RUNTIME_CLASS CObject IsKindOf

46 2.5 4 CObject 1 CObject DECLARE_SERIAL 2 CObject IMPLEMENT_SERIAL 3 CObject Serialize MFC MSDN 46

47 47

48 48 3 MFC

49 49 3.1

50 MFC

51 3.2 1 LIB 2Windows DLL COM COM 51

52 3.2 3 VC Visual Studio IDE IE 4 Win32CreateProcess API SHELL API ShellExecute 5 MFC 52

53 3.3 53

54 3.4 MFC MFC 1 MFC SimpleDialogMfc 2 54

55 3.4 MFC 1. SimpleDialogMfc.vcproj VC++ VC 2. SimpleDialogMfc.h ( Resource.h) CSimpleDialogMfcApp 3. SimpleDialogMfc.cpp CSimpleDialogMfcApp 55

56 3.4 MFC 4. SimpleDialogMfc.rc Microsoft Windows RES VC res\simpledialogmfc.ico SimpleDialogMfc.rc 6. res\simpledialogmfc.rc2 VC 56

57 3.4 MFC 5. : SimpleDialogMfcDlg.h SimpleDialogMfcDlg.cpp - CSimpleDialogMfcDlg SimpleDialogMfc.rc VC 6. : StdAfx.h StdAfx.cpp SimpleDialogMfc.pch (PCH) StdAfx.obj 57

58 MFC 6. : Resource.h ID SimpleDialogMfc.manifest Windows XP.manifest

59 3.4 MFC // SimpleDialogMfc.h : PROJECT_NAME // #pragma once #ifndef AFXWIN_H #error " stdafx.h PCH " #endif #include "resource.h" // // CSimpleDialogMfcApp: // SimpleDialogMfc.cpp // 59

60 3.4 MFC class CSimpleDialogMfcApp : public CWinApp { public: // // }; CSimpleDialogMfcApp(); public: virtual BOOL InitInstance(); DECLARE_MESSAGE_MAP() extern CSimpleDialogMfcApp theapp; c++, :(public, private, or protected) 60

61 3.4 MFC // SimpleDialogMfcDlg.h : // #pragma once // CSimpleDialogMfcDlg class CSimpleDialogMfcDlg : public CDialog { // public: CSimpleDialogMfcDlg(CWnd* pparent = NULL); // 61

62 3.4 MFC // // enum { IDD = IDD_SIMPLEDIALOGMFC_DIALOG }; protected: virtual void DoDataExchange(CDataExchange* pdx); // DDX/DDV protected: HICON m_hicon; // virtual BOOL OnInitDialog(); afx_msg void OnSysCommand(UINT nid, LPARAM lparam); afx_msg void OnPaint(); afx_msg HCURSOR OnQueryDragIcon(); DECLARE_MESSAGE_MAP() 62

63 3.4 MFC }; public: BOOL m_vradio1; // public: afx_msg void OnBnClickedRadio3(); public: double m_vedit1; // 1 public: double m_vedit2; // 2 public: afx_msg afx_msg void OnEnChangeEdit1();// 1 public: afx_msg void OnEnChangeEdit2(); // 2 public: double m_result; // 3 public: afx_msg void OnBnClickedOk();//OK public: afx_msg void OnBnClickedRadio2();// 63

64 3.4 MFC // SimpleDialogMfc.cpp : // #include "stdafx.h" #include "SimpleDialogMfc.h" #include "SimpleDialogMfcDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #endif // CSimpleDialogMfcApp BEGIN_MESSAGE_MAP(CSimpleDialogMfcApp, CWinApp) ON_COMMAND(ID_HELP, &CWinApp::OnHelp) END_MESSAGE_MAP() 64

65 3.4 MFC // CSimpleDialogMfcApp CSimpleDialogMfcApp::CSimpleDialogMfcApp() { // TODO: // InitInstance } // CSimpleDialogMfcApp CSimpleDialogMfcApp theapp; 65

66 3.4 MFC // CSimpleDialogMfcApp BOOL CSimpleDialogMfcApp::InitInstance() { // Windows XP // ComCtl32.dll 6 // InitCommonControlsEx() INITCOMMONCONTROLSEX InitCtrls; InitCtrls.dwSize = sizeof(initctrls); // // InitCtrls.dwICC = ICC_WIN95_CLASSES; InitCommonControlsEx(&InitCtrls); 66

67 3.4 MFC CWinApp::InitInstance(); AfxEnableControlContainer(); // // // // // // TODO: // SetRegistryKey(_T(" ")); CSimpleDialogMfcDlg dlg; m_pmainwnd = &dlg; 67

68 } 3.4 MFC INT_PTR nresponse = dlg.domodal(); if (nresponse == IDOK) { // TODO: // } else if (nresponse == IDCANCEL) { // TODO: // } // FALSE // return FALSE; 68

69 3.4 MFC // SimpleDialogMfcDlg.cpp : // #include "stdafx.h" #include "SimpleDialogMfc.h" #include "SimpleDialogMfcDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #endif 69

70 3.4 MFC // CAboutDlg class CAboutDlg : public CDialog { public: CAboutDlg(); // enum { IDD = IDD_ABOUTBOX }; protected: virtual void DoDataExchange(CDataExchange* pdx); // DDX/DDV // protected: DECLARE_MESSAGE_MAP() UNIT THIRTEEN };

71 3.4 MFC CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { } void CAboutDlg::DoDataExchange(CDataExchange* pdx) { CDialog::DoDataExchange(pDX); } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) END_MESSAGE_MAP() 71

72 3.4 MFC // CSimpleDialogMfcDlg CSimpleDialogMfcDlg::CSimpleDialogMfcDlg(CWnd* pparent /*=NULL*/) { } : CDialog(CSimpleDialogMfcDlg::IDD, pparent), m_vradio1(false), m_vedit1(0), m_vedit2(0), m_result(0) m_hicon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 72

73 3.4 MFC void CSimpleDialogMfcDlg::DoDataExchange(CDataExchange* pdx) { } CDialog::DoDataExchange(pDX); DDX_Radio(pDX, IDC_RADIO1, m_vradio1); DDX_Text(pDX, IDC_EDIT1, m_vedit1); DDX_Text(pDX, IDC_EDIT2, m_vedit2); DDX_Text(pDX, IDC_EDIT3, m_result); DoDataExchange UpdateData DDX 73

74 3.4 MFC UNIT THIRTEEN END_MESSAGE_MAP() BEGIN_MESSAGE_MAP(CSimpleDialogMfcDlg, CDialog) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() //}}AFX_MSG_MAP ON_BN_CLICKED(IDC_RADIO3, &CSimpleDialogMfcDlg::OnBnClickedRadio3) ON_EN_CHANGE(IDC_EDIT1, &CSimpleDialogMfcDlg::OnEnChangeEdit1) ON_EN_CHANGE(IDC_EDIT2, &CSimpleDialogMfcDlg::OnEnChangeEdit2) ON_BN_CLICKED(IDOK, &CSimpleDialogMfcDlg::OnBnClickedOk) ON_BN_CLICKED(IDC_RADIO2, &CSimpleDialogMfcDlg::OnBnClickedRadio2) ON_EN_CHANGE WM_COMMAND EN_CHANGE 74

75 3.4 MFC // CSimpleDialogMfcDlg BOOL CSimpleDialogMfcDlg::OnInitDialog() { CDialog::OnInitDialog(); //... // IDM_ABOUTBOX ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* psysmenu = GetSystemMenu(FALSE); 75

76 3.4 MFC if (psysmenu!= NULL) { CString straboutmenu; straboutmenu.loadstring(ids_aboutbox); if (!straboutmenu.isempty()) { psysmenu->appendmenu(mf_separator); psysmenu->appendmenu(mf_string, IDM_ABOUTBOX, straboutmenu); } } 76

77 3.4 MFC // // SetIcon(m_hIcon, TRUE); SetIcon(m_hIcon, FALSE); // // // TODO: } return TRUE; // TRUE 77

78 3.4 MFC void CSimpleDialogMfcDlg::OnSysCommand(UINT nid, LPARAM lparam) { } if ((nid & 0xFFF0) == IDM_ABOUTBOX) { } else { } CAboutDlg dlgabout; dlgabout.domodal(); CDialog::OnSysCommand(nID, lparam); nid SC_CLOSE 78

79 3.4 MFC // // / MFC // void CSimpleDialogMfcDlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // SendMessage(WM_ICONERASEBKGND, reinterpret_cast<wparam>(dc.getsafehdc()), 0); // int cxicon = GetSystemMetrics(SM_CXICON); 79

80 3.4 MFC int cyicon = GetSystemMetrics(SM_CYICON); CRect rect; GetClientRect(&rect); int x = (rect.width() - cxicon + 1) / 2; int y = (rect.height() - cyicon + 1) / 2; // dc.drawicon(x, y, m_hicon); } else { CDialog::OnPaint(); } UNIT THIRTEEN }

81 3.4 MFC void CSimpleDialogMfcDlg::OnEnChangeEdit1() { // TODO: RICHEDIT // CDialog::OnInitDialog() // CRichEditCtrl().SetEventMask() // ENM_CHANGE } // TODO: // UpdateData(TRUE); 81

82 3.4 MFC void CSimpleDialogMfcDlg::OnBnClickedRadio2() { // TODO: UpdateData(TRUE); } 82

83 3.4 MFC 4MFC VC2005 ALI_F7 MFC DLL NFC 5 83

84 VC ClassView

85 3.4 MFC void CSimpleDialogMfcDlg::OnBnClickedOk() { // TODO: if(m_vradio1==0) m_result = m_vedit1 + m_vedit2; else if(m_vradio1==1) m_result = m_vedit1 - m_vedit2; else m_result = m_vedit1 * m_vedit2; UpdateData(FALSE); } 85

86 3.4 MFC void CSimpleDialogMfcDlg::OnEnChangeEdit2() { // TODO: RICHEDIT // CDialog::OnInitDialog() // CRichEditCtrl().SetEventMask() // ENM_CHANGE } // TODO: // UpdateData(TRUE); 86

87 87

88 4.1 88

89 4.1 SDI SDI MDI 89

90 4.2 90

91 4.3 MFC 1 91

92 92 4.3

93 4.3 MFC 2 SDI MFC CSingleDocTemplate MDI CMultiDocTemplate 93

94 4.4 MFC MFC Windows 4 CMyApp CMyWnd CMyViewCMyWnd CMyDoc CMyDoc 94

95 MFC

96 CObject CCmdTarget CDocument CDocument, CDocument Cdocument OnNewDocument Serialize SetModifiedFlag UpdateAllViews

97 CDocument OnNewDocument virtual BOOL OnNewDocument(); File New MFC MFC

98 OnNewDocument 1. MFC 2. 3.

99 OnNewDocument OnNewDocument

100 // BOOL CSDI_MouseDrawerDoc::OnNewDocument() { if (!CDocument::OnNewDocument()) return FALSE; // TODO: // (SDI ) } return TRUE;

101 CDocument Serialize virtual void Serialize(CArchive& ar); ar Cobject << >>

102 // CSDI_MouseDrawerDoc void CSDI_MouseDrawerDoc::Serialize(CArchive& ar) { if (ar.isstoring()) { // TODO: } else { // TODO: } }

103 4.5 CDocument SetModifiedFlag virtual void SetModifiedFlag(BOOL bmodified=true); CDocument m_bmodeified SetModifiedFlag(TRUE); m_bmodeified MFC m_bmodeified MFC m_bmodeified 103

104 CPtrList m_viewlist; CView CView CDocument UpdateAllViews MDI UpdateAllViews

105 CObject CCmdTarget CWnd CView CView OnDraw OnUpdate

106 CView OnDraw virtual void OnDraw(CDC* PDC) = 0; WM_PAINT MFC

107 CPtrList m_viewlist; CView CDocument* m_pdocument CView OnDraw virtual void OnDraw(CDC* PDC) = 0; m_pdocument

108 CView OnUpdate 4.6 UpdateAllViews OnUpdate void CSDI_MouseDrawerView::OnUpdate(CView* psender, LPARAM /*lhint*/, CObject* /*phint*/) { // TODO: / ASSERT(pSender!= this); } // Invalidate(TRUE); WM_PAINT OnDraw 108

109 1. MFC API 2. MFC 3. MFC 4. MFC 109

110 Windows API MFC Windows Form VC Windows API MFC Windows Form VC

INTRODUCTION TO COM.DOC

INTRODUCTION TO COM.DOC How About COM & ActiveX Control With Visual C++ 6.0 Author: Curtis CHOU [email protected] This document can be freely release and distribute without modify. ACTIVEX CONTROLS... 3 ACTIVEX... 3 MFC ACTIVEX