112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
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// hello.cpp : Defines the class behaviors for the application.
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// Hello is a simple program which consists of a main window
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// and an "About" dialog which can be invoked by a menu choice.
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// It is intended to serve as a starting-point for new
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// applications.
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//
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// This is a part of the Microsoft Foundation Classes C++ library.
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// Copyright (C) 1992-1998 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// Microsoft Foundation Classes Reference and related
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// electronic documentation provided with the library.
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// See these sources for detailed information regarding the
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// Microsoft Foundation Classes product.
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#include "stdafx.h"
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#include "resource.h"
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#include "hello.h"
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/////////////////////////////////////////////////////////////////////////////
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// theApp:
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// Just creating this application object runs the whole application.
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//
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CTheApp NEAR theApp;
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/////////////////////////////////////////////////////////////////////////////
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// CMainWindow constructor:
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// Create the window with the appropriate style, size, menu, etc.
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//
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CMainWindow::CMainWindow()
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{
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LoadFrame(IDR_MAINFRAME);
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}
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// OnPaint:
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// This routine draws the string "Hello, Windows!" in the center of the
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// client area. It is called whenever Windows sends a WM_PAINT message.
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// Note that creating a CPaintDC automatically does a BeginPaint and
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// an EndPaint call is done when it is destroyed at the end of this
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// function. CPaintDC's constructor needs the window (this).
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//
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void CMainWindow::OnPaint()
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{
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CRect rect;
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GetClientRect(rect);
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CPaintDC dc(this);
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dc.SetTextAlign(TA_BASELINE | TA_CENTER);
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dc.SetTextColor(::GetSysColor(COLOR_WINDOWTEXT));
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dc.SetBkMode(TRANSPARENT);
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CString s;
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s.LoadString(IDS_HELLO);
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dc.TextOut((rect.right / 2), (rect.bottom / 2), s);
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}
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// OnAbout:
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// This member function is called when a WM_COMMAND message with an
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// ID_APP_ABOUT code is received by the CMainWindow class object. The
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// message map below is responsible for this routing.
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//
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// We create a ClDialog object using the "AboutBox" resource (see
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// hello.rc), and invoke it.
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//
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void CMainWindow::OnAbout()
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{
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CDialog about(IDD_ABOUTBOX);
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about.DoModal();
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}
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// CMainWindow message map:
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// Associate messages with member functions.
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//
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// It is implied that the ON_WM_PAINT macro expects a member function
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// "void OnPaint()".
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//
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// It is implied that members connected with the ON_COMMAND macro
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// receive no arguments and are void of return type, e.g., "void OnAbout()".
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//
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BEGIN_MESSAGE_MAP( CMainWindow, CFrameWnd )
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//{{AFX_MSG_MAP( CMainWindow )
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ON_WM_PAINT()
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ON_COMMAND(ID_APP_ABOUT, OnAbout)
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CTheApp
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// InitInstance:
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// When any CTheApp object is created, this member function is automatically
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// called. Any data may be set up at this point.
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//
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// Also, the main window of the application should be created and shown here.
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// Return TRUE if the initialization is successful.
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//
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BOOL CTheApp::InitInstance()
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{
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TRACE0("CTheApp::InitInstance\n");
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Enable3dControls(); // use 3d controls in dialogs
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m_pMainWnd = new CMainWindow;
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m_pMainWnd->ShowWindow(m_nCmdShow);
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m_pMainWnd->UpdateWindow();
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return TRUE;
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}
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