CDC上画箭头Arrows C++代码

// ArrowTest.cpp : Defines the class behaviors for the application. // #include "stdafx.h" #include "ArrowTest.h" #include "MainFrm.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CArrowTestApp BEGIN_MESSAGE_MAP(CArrowTestApp, CWinApp) //{{AFX_MSG_MAP(CArrowTestApp) ON_COMMAND(ID_APP_ABOUT, OnAppAbout) // NOTE - the ClassWizard will add and remove mapping macros here. // DO NOT EDIT what you see in these blocks of generated code! //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CArrowTestApp construction CArrowTestApp::CArrowTestApp() { // TODO: add construction code here, // Place all significant initialization in InitInstance } ///////////////////////////////////////////////////////////////////////////// // The one and only CArrowTestApp object CArrowTestApp theApp; ///////////////////////////////////////////////////////////////////////////// // CArrowTestApp initialization BOOL CArrowTestApp::InitInstance() { AfxEnableControlContainer(); // Standard initialization // If you are not using these features and wish to reduce the size // of your final executable, you should remove from the following // the specific initialization routines you do not need. #ifdef _AFXDLL Enable3dControls(); // Call this when using MFC in a shared DLL #else Enable3dControlsStatic(); // Call this when linking to MFC statically #endif // Change the registry key under which our settings are stored. // TODO: You should modify this string to be something appropriate // such as the name of your company or organization. SetRegistryKey(_T("Local AppWizard-Generated Applications")); // To create the main window, this code creates a new frame window // object and then sets it as the application's main window object. CMainFrame* pFrame = new CMainFrame; m_pMainWnd = pFrame; // create and load the frame with its resources pFrame->LoadFrame(IDR_MAINFRAME, WS_OVERLAPPEDWINDOW | FWS_ADDTOTITLE, NULL, NULL); // The one and only window has been initialized, so show and update it. pFrame->ShowWindow(SW_SHOW); pFrame->UpdateWindow(); return TRUE; } ///////////////////////////////////////////////////////////////////////////// // CArrowTestApp message handlers ///////////////////////////////////////////////////////////////////////////// // 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) // No message handlers //}}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() // App command to run the dialog void CArrowTestApp::OnAppAbout() { CAboutDlg aboutDlg; aboutDlg.DoModal(); } ///////////////////////////////////////////////////////////////////////////// // CArrowTestApp message handlers