testdlg.cpp

此为本书的配套光盘.本书结合实例

// testDlg.cpp : implementation file
#include "stdafx.h"
#include "test.h"
#include "testDlg.h"
#ifdef _DEBUG
	#define new DEBUG_NEW
	#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

//
// =======================================================================================================================
// *    CTestDlg dialog
// =======================================================================================================================
//
CTestDlg::CTestDlg( CWnd *pParent /* NULL */ ) :
	CDialog( CTestDlg::IDD, pParent )
{
	//{{AFX_DATA_INIT(CTestDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon( IDR_MAINFRAME );
}

/*
 =======================================================================================================================
 *
 =======================================================================================================================
 */
void CTestDlg::DoDataExchange( CDataExchange *pDX )
{
	CDialog::DoDataExchange( pDX );
	//{{AFX_DATA_MAP(CTestDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP( CTestDlg, CDialog )
	//{{AFX_MSG_MAP(CTestDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

//
// =======================================================================================================================
// *    CTestDlg message handlers
// =======================================================================================================================
//
BOOL CTestDlg::OnInitDialog( void )
{
	CDialog::OnInitDialog();

	//
	// Set the icon for this dialog. The framework does this automatically when the
	// application's main window is not a dialog
	//
	SetIcon( m_hIcon, TRUE );	// Set big icon
	SetIcon( m_hIcon, FALSE );	// Set small icon

	// TODO: Add extra initialization here
	return TRUE;				// return TRUE unless you set the focus to a control
}

//
// =======================================================================================================================
// *    If you add a minimize button to your dialog, you will need the code below to draw the icon. For MFC applications
// *    using the document/view model, this is automatically done for you by the framework.
// =======================================================================================================================
//
void CTestDlg::OnPaint( void )
{
	if( IsIconic() )
	{
		CPaintDC	dc( this ); // device context for painting

		SendMessage( WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0 );

		// Center icon in client rectangle
		int		cxIcon = GetSystemMetrics( SM_CXICON );
		int		cyIcon = GetSystemMetrics( SM_CYICON );
		CRect	rect;
		GetClientRect( &rect );

		int x = ( rect.Width() - cxIcon + 1 ) / 2;
		int y = ( rect.Height() - cyIcon + 1 ) / 2;

		// Draw the icon
		dc.DrawIcon( x, y, m_hIcon );
	}
	else
	{
		CDialog::OnPaint();
	}
}

//
// =======================================================================================================================
// *    The system calls this to obtain the cursor to display while the user drags the minimized window.
// =======================================================================================================================
//
HCURSOR CTestDlg::OnQueryDragIcon( void )
{
	return( HCURSOR ) m_hIcon;
}

/*
 =======================================================================================================================
 *
 =======================================================================================================================
 */
void CTestDlg::OnOK( void )
{
	char	*FlagAddr;
	CString ShellFlag;
	AfxMessageBox( "This is Mapping Test" );

	HANDLE	hmap = CreateFileMapping( (HANDLE) 0xffffffff, NULL, PAGE_READONLY | PAGE_READWRITE | PAGE_WRITECOPY, 0,
									  10000, "MyMappedFile" );
	LPVOID	MapAddr = MapViewOfFile( hmap, FILE_MAP_WRITE | FILE_MAP_READ, 0, 0, 100 );

	CloseHandle( hmap );
	FlagAddr = (char *) MapAddr;
	ShellFlag = FlagAddr;
	if( ShellFlag != "Shellhere" )	// 比较是否有关键字
	{
		AfxMessageBox( "Oh,My Shell Lost   \nI will Exit" );
		ExitProcess( NULL );
	}
	else 
		AfxMessageBox( "Good My Shell here" );

	UnmapViewOfFile( MapAddr );
}