Using the IE 5 built-in progress dialog

// IProgDlgDlg.cpp : implementation file
//

#include "stdafx.h"
#include "IProgDlg.h"
#include "IProgDlgDlg.h"
#include "shprogresswnd.h"

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

/////////////////////////////////////////////////////////////////////////////
// CIProgDlgDlg dialog

CIProgDlgDlg::CIProgDlgDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CIProgDlgDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CIProgDlgDlg)
	m_bShowMinimize = FALSE;
	m_bShowProgressBar = FALSE;
	m_bShowTimeLeft = FALSE;
	m_bModalDlg = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CIProgDlgDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CIProgDlgDlg)
	DDX_Check(pDX, IDC_MINIMIZE, m_bShowMinimize);
	DDX_Check(pDX, IDC_PROGRESSBAR, m_bShowProgressBar);
	DDX_Check(pDX, IDC_SHOWTIME, m_bShowTimeLeft);
	DDX_Check(pDX, IDC_MODAL, m_bModalDlg);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CIProgDlgDlg, CDialog)
	//{{AFX_MSG_MAP(CIProgDlgDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_GO, OnGo)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CIProgDlgDlg message handlers

BOOL CIProgDlgDlg::OnInitDialog()
{
	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 CIProgDlgDlg::OnPaint() 
{
	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 CIProgDlgDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CIProgDlgDlg::OnGo() 
{
CSHProgressWnd dlg;
const DWORD    dwMax = 700;
TCHAR          szMsg[256];
HRESULT        hr;

    UpdateData();

    if ( !dlg.IsValid() )
        {
        AfxMessageBox ( _T("Couldn't create CSHProgressWnd object.  CSHProgressWnd requires IE 5 to be installed."), MB_ICONERROR );
        return;
        }

    dlg.SetTitle ( _T("Progress Dlg Title") );
    dlg.SetAnimation ( IDR_PROGRESS );
    dlg.SetCancelMessage ( _T("Cancel Message") );
    dlg.SetLineText ( 1, _T("Unzipping some phantom files...") );

    dlg.SetAllowMinimize ( m_bShowMinimize );
    dlg.SetCalculateTime ( m_bShowTimeLeft );
    dlg.SetShowProgressBar ( m_bShowProgressBar );

    hr = m_bModalDlg ? dlg.ShowModal(this) : dlg.ShowModeless(this);

    if ( FAILED(hr) )
        {
        CString s;

        s.Format ( _T("Couldn't show the progress window.  Error returned was %lu"),
                  (DWORD) hr );

        AfxMessageBox ( s, MB_ICONERROR );
        
        return;
        }

    dlg.UpdateProgress ( 0, dwMax );
    dlg.ResetTimer();

    for ( DWORD dw = 0;
          dw < dwMax  &&  !dlg.HasUserCanceled();
          dw += 8 + rand()%10 )
        {
        Sleep(150);

        if ( dw > dwMax )
            dw = dwMax;                 // just in case we go over the max value

        wsprintf ( szMsg, _T("Progress = %lu/%lu"), dw, dwMax );

        dlg.SetLineText ( 2, szMsg );
        dlg.UpdateProgress ( dw );
        }
}