progressdlg.cpp

这是书上的代码

// ProgressDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ReadFile.h"
#include "ProgressDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


/////////////////////////////////////////////////////////////////////////////
// CProgressDlg dialog

CProgressDlg::CProgressDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CProgressDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CProgressDlg)
	m_szPercent = _T("");
	//}}AFX_DATA_INIT
}


void CProgressDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CProgressDlg)
	DDX_Control(pDX, IDC_PROGRESS_READ_FILE, m_ctrlProgress);
	DDX_Text(pDX, IDC_STATIC_PERCENT, m_szPercent);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CProgressDlg, CDialog)
	//{{AFX_MSG_MAP(CProgressDlg)
	ON_BN_CLICKED(IDC_BUTTON_CLOSE, OnButtonClose)
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_UPDATE_DXF_DLG_POS,OnUpdateProgressPos)//更新进度条位置的消息响应函数
	ON_MESSAGE(WM_UPDATE_DXF_DLG_DESTROY,OnDestroyDlg)//销毁对话框的消息响应函数
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CProgressDlg message handlers

BOOL CProgressDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_ctrlProgress.SetRange(0,100);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CProgressDlg::OnButtonClose() //响应确定按钮
{
	// TODO: Add your control notification handler code here
	ShowWindow(SW_HIDE);//隐藏对话框
}

BOOL CProgressDlg::Create()
{
	return CDialog::Create(CProgressDlg::IDD,NULL);
}

LRESULT CProgressDlg::OnUpdateProgressPos(WPARAM wp,LPARAM lp)
{
	//传入的参数 wp 即是计算过后当前进度条的位置
	m_ctrlProgress.SetPos( (int)wp );//设置进度条位置
	m_szPercent.Format("%d",(int)wp);
	m_szPercent += "%";
	UpdateData(FALSE);//设置百分数显示的静态文本
	return 0L;
}

LRESULT CProgressDlg::OnDestroyDlg(WPARAM wp,LPARAM lp)
{
	DestroyWindow();//销毁对话框
	return 0L;
}