CWinApp:MFC 中的主應用程序類封裝用於 Windows 操做系統的應用程序的初始化、運行和終止.操作系統
ON_COMMAND(ID_FILE_NEW, &CWinApp::OnFileNew) ON_COMMAND(ID_FILE_OPEN, &CWinApp::OnFileOpen) ON_COMMAND(ID_FILE_PRINT_SETUP, &CWinApp::OnFilePrintSetup) ON_COMMAND(ID_FILE_CLOSE, &CWinApp::OnFileClose) ON_COMMAND(ID_FILE_SAVE, &CWinApp::OnFileSave) ON_COMMAND(ID_FILE_SAVE_AS, &CWinApp::OnFileSaveAs)
1.建立新的View視圖CWinApp::OnFileNew:code
2.關閉當前View視圖CWinApp::OnFileClose:htm
3.打開CWinApp::OnFileOpen:blog
4.保存CWinApp::OnFileSave和另存爲CWinApp::OnFileSaveAs:get
5.設置打印CWinApp::OnFilePrintSetup:it
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