automessagebox.cpp

一个动态连接库(MFC扩展库)及其测试程序的例子

// AutoMessageBox.cpp : implementation file
//

#include "stdafx.h"
#include "AutoMessageBox.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//
int AutoMessageBox( int nInterval, const CString& strMessage, const CString& strTitle )
{
	CAutoMessageBox msgbox( nInterval );

	if( !strMessage.IsEmpty() )
	{
		msgbox.SetMessageString( strMessage );
	}

	if( !strTitle.IsEmpty() )
	{
		msgbox.SetTitleString( strTitle );
	}

	return msgbox.DoModal();
}

//
/////////////////////////////////////////////////////////////////////////////
// CAutoMessageBox dialog


CAutoMessageBox::CAutoMessageBox( int nInterval /*= 30*/ )
	: CDialog(CAutoMessageBox::IDD, NULL)
{
	//{{AFX_DATA_INIT(CAutoMessageBox)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	m_nInterval = nInterval;//对话框显示时间,以秒为单位默认为60秒!
	m_nTimerID = 0;//定时器ID,0表示没有设置定时器
	//m_strMessage = "对话框将在 %d 秒之后关闭...";//默认显示的消息
	//m_strTitle = "剩余时间: %d 秒";//默认显示的标题
	m_strMessage.LoadString( IDS_MESSAGE );
	m_strTitle.LoadString( IDS_TITLE );
}
CAutoMessageBox::~CAutoMessageBox()
{
}

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


BEGIN_MESSAGE_MAP(CAutoMessageBox, CDialog)
	//{{AFX_MSG_MAP(CAutoMessageBox)
	ON_WM_TIMER()
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAutoMessageBox message handlers

BOOL CAutoMessageBox::OnInitDialog() 
{
	CDialog::OnInitDialog();
	//
	// TODO: Add extra initialization here
	if( m_nInterval < 1 )
	{
		m_nInterval = 0;
	}
	CString strTitle;
	strTitle.Format( m_strTitle, m_nInterval );
	SetWindowText( strTitle );

	CWnd* pMessageWnd = GetDlgItem( IDC_MESSAGE );
	if( pMessageWnd != NULL )
	{
		CString strMessage;
		strMessage.Format( m_strMessage, m_nInterval );
		pMessageWnd->SetWindowText( strMessage );
	}	
	//
	if( m_nInterval > 0 )
	{
		m_nTimerID = SetTimer( 1, 1000, NULL );
	}
	else
	{
		OnOK();
	}
	//
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CAutoMessageBox::OnTimer(UINT nIDEvent) 
{
	if( nIDEvent != m_nTimerID )
	{
		CDialog::OnTimer(nIDEvent);
		return;
	}
	//
	if( m_nInterval <= 1 )
	{
		OnOK();
	}
	m_nInterval--;
	//
	CString strTitle;
	strTitle.Format( m_strTitle, m_nInterval );
	SetWindowText( strTitle );

	CWnd* pMessageWnd = GetDlgItem( IDC_MESSAGE );
	if( pMessageWnd != NULL )
	{
		CString strMessage;
		strMessage.Format( m_strMessage, m_nInterval );
		pMessageWnd->SetWindowText( strMessage );
	}
}

void CAutoMessageBox::OnDestroy() 
{
	CDialog::OnDestroy();
	
	// TODO: Add your message handler code here
	if( m_nTimerID > 0 )
	{
		KillTimer( m_nTimerID );
	}
}
//
void CAutoMessageBox::SetInterval( int nInterval )
{
	//设置对话框显示时间
	m_nInterval = nInterval;
}
int CAutoMessageBox::GetInterval()const
{
	//读取对话框显示时间
	return m_nInterval;
}
void CAutoMessageBox::SetMessageString( const CString& strMessage )
{
	//设置显示的消息(带格式)
	m_strMessage = strMessage;
}
CString CAutoMessageBox::GetMessageString()const
{
	//读取显示的消息
	return m_strMessage;
}
void CAutoMessageBox::SetTitleString( const CString& strTitle )
{
	//设置显示的标题
	m_strTitle = strTitle;
}
CString CAutoMessageBox::GetTitleString()const
{
	//读取标题
	return m_strTitle;
}