C / C++ / MFC

MyFunction()
{
         CClientDC dc(this); //dc of dialog
	CRect rectBF(0,0,450,450);
	CBitmap bmp, *poldbmp;
         CDC memdc;

         // Load the bitmap resource
         bmp.CreateCompatibleBitmap(&dc, 450, 450);

         // Create a compatible memory DC
         memdc.CreateCompatibleDC( &dc );
	
			 
         // Select the bitmap into the DC
         poldbmp = memdc.SelectObject( &bmp );
         //CGraphWnd was created by Paul Barvinko - <A HREF="http://www.codeproject.com/miscctrl/graph2d.asp">A 2D data visualisation class
</A>
	m_ctlGraphWnd.DrawGraphToDC(&memdc, rectBF); //Copy graph to DC

         memdc.SelectObject(poldbmp);

	CPalette palette;

         //Initialize palette
	if( dc.GetDeviceCaps(RASTERCAPS) & RC_PALETTE )
	{
		UINT nSize = sizeof(LOGPALETTE) + (sizeof(PALETTEENTRY) * 256);
		LOGPALETTE *pLP = (LOGPALETTE *) new BYTE[nSize];
		pLP->palVersion = 0x300;

		pLP->palNumEntries = 
				GetSystemPaletteEntries( dc, 0, 255, pLP->palPalEntry );

		// Create the palette
		palette.CreatePalette( pLP );

		delete[] pLP;
	}

         //Function was created by Zafir Anjum - <A HREF="http://www.codeguru.com/bitmap/ddb_to_dib.shtml">Converting DDB to DIB</A>
	HANDLE hDIB = DDBToDIB(bmp, BI_RGB, &palette);

	if( hDIB == NULL )
		return ;

         //Function was created by Zafir Anjum - <A HREF="http://www.codeguru.com/bitmap/bitmap_to_file.shtml">Writing a bitmap to a BMP file</A>
	WriteDIB(_T("graph.bmp"), hDIB);

	GlobalFree( hDIB );
}

BOOL CNewDlg::OnInitDialog()
{
    CDialog::OnInitDialog();
    
    ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
    ASSERT(IDM_ABOUTBOX < 0xF000);

    CMenu* pSysMenu = GetSystemMenu(FALSE);
    if (pSysMenu != NULL)
    {
	CString strAboutMenu;
	strAboutMenu.LoadString(IDS_ABOUTBOX);
	if (!strAboutMenu.IsEmpty())
	{
	    pSysMenu->AppendMenu(MF_SEPARATOR);
	    pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
	}
     }

     SetIcon(m_hIcon, TRUE);			// Set big icon
     SetIcon(m_hIcon, FALSE);		// Set small icon
	
     // TODO: Add extra initialization here
	
     CString	temp, strSQL;
     LVCOLUMN	column;
     LVITEM     item;
     int        i;

     char*    guestListCol[9] = {"Room#", "Status", "FirstName", "LastName",
			             "CheckIn", "Until", "ExtraDays", "Adults", "Children"};

     column.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
     column.fmt  = LVCFMT_LEFT;

     temp = "CHECK-IN GUEST LIST REPORT FOR   " + COleDateTime::GetCurrentTime().Format("%m/%d/%Y  %H:%M:%S"); 

     strSQL.Format ("SELECT * FROM CurrentGuestList WHERE GuestStatus = 'CheckIn'"); 

     UpdateData (false);

     for (i=0; i<9; i++)
     {
	column.cx   = 75;
	column.iSubItem = i;
	column.pszText  = guestListCol[i];
	m_report.InsertColumn (i, &column);
     }

     m_report.DeleteAllItems();
     item.mask     = LVIF_TEXT;
     item.iSubItem = 0;	
     i = 0;
 
     item.iItem = i;
     item.pszText = "dummy";
     m_report.InsertItem (&item);        
	
     m_report.SetItemText (i, 0, "101");
     m_report.SetItemText (i, 1, "Check-In");
     m_report.SetItemText (i, 2, "John");
     m_report.SetItemText (i, 3, "Senior");
     m_report.SetItemText (i, 4, "May/20/2002");
     m_report.SetItemText (i, 5, "May/22/2002");
     m_report.SetItemText (i, 6, "1");
     m_report.SetItemText (i, 7, "2");
     m_report.SetItemText (i, 8, "4");      
	
     return TRUE;  // return TRUE  unless you set the focus to a control
}

void CNewDlg::OnBntPrint() 
{
    CPrintDialog        dlg (FALSE);

    if (dlg.DoModal() == IDOK)
    {
	HDC hdc = dlg.GetPrinterDC();
	CDC dc;

        DOCINFO docinfo;
        memset(&docinfo, 0, sizeof(docinfo));
        docinfo.cbSize = sizeof(docinfo);
        docinfo.lpszDocName = _T("CDC::StartDoc() Code Fragment");

        dc.Attach(hdc);

        if (dc.StartDoc(&docinfo) < 0)
                   MessageBox(_T("Printer wouldn't initalize"));
        else
        {
	   if (dc.StartPage() < 0)
	   {
	       MessageBox(_T("Could not start page"));
	       dc.AbortDoc();
	   }
	   else   
	   {
               // *********> actually do PRINTING  here <********    
         
               m_report.Print(&dc, PRF_NONCLIENT);   // print frame
               m_report.Print(&dc, PRF_CLIENT);      // print contents
           }

           dc.EndPage();
           dc.EndDoc(); 
        }
    }
}

CString mPWD;
	CString szTemp;	//Holds current pwd value before data is added to it.
	BOOL bMakePass = TRUE;	//whether or not to take next letter of string.

	CString m_cPwd;	//This holds the password being processed.
	m_cPwd = szPassword;

	for (int i = 0; i < m_iPwdLength; i++)		//begin for loop for size of password section.
	{
		if (bMakePass)
		{
			szTemp = mPWD;					//Pass current password to temp string as it will be lost.
			mPWD.Format("%s", m_cPwd.GetAt(i));	//Put value of next letter in pwd in to variable.
			szTemp += mPWD;					//Add the letter to the current password.
			mPWD = szTemp;					//Put password into main password variable.
			bMakePass = FALSE;					//Set false not to use next letter.
		}
		else
			bMakePass = TRUE;					//Set true to accept next letter into string.
	}
	return mPWD;