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 )
{
	/*
	 * 在壳的执行过程中把主线程的优先权设置为THREAD_PRIORITY_HIGHEST
	 * 然后程序检查主线程的优先权是否为THREAD_PRIORITY_HIGHEST,假如
	 * 不为THREAD_PRIORITY_HIGHEST就判断已经给脱壳了.
	 */
	static BOOL CheckShell = true;
	HANDLE		thread;

	AfxMessageBox( "This is a ThreadPriority Test" );
	if( CheckShell )
	{
		thread = GetCurrentThread();
		if( GetThreadPriority(thread) != THREAD_PRIORITY_HIGHEST )
		{
			AfxMessageBox( "Oh,My Shell Lost!    \nI Will Quit" );
			ExitProcess( NULL );
		}
		else
		{
			AfxMessageBox( "My Shell Still Here    \nI Will Set the Priority Back" );
			SetThreadPriority( thread, THREAD_PRIORITY_NORMAL );
		}

		CheckShell = false;
	}
	else
	{
		AfxMessageBox( "My Shell Still Here" );
	}
}