dlgprintdlg.cpp

本光盘包含的是《实用Visual C++ 6.0教程》一书中所有程序的代码

// DlgPrintDlg.cpp : implementation file
//

#include "stdafx.h"
#include "DlgPrint.h"
#include "DlgPrintDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgPrintDlg dialog

CDlgPrintDlg::CDlgPrintDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgPrintDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgPrintDlg)
		// 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 CDlgPrintDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgPrintDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDlgPrintDlg, CDialog)
	//{{AFX_MSG_MAP(CDlgPrintDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgPrintDlg message handlers

BOOL CDlgPrintDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	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);
		}
	}

	// 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
}

void CDlgPrintDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 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 CDlgPrintDlg::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 CDlgPrintDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CDlgPrintDlg::OnOK() 
{
	// TODO: Add extra validation here
	// TODO: Add extra validation here
      
      // ** Construct a CPrintDialog object
      CPrintDialog dlgPrint(FALSE, PD_ALLPAGES, this);
      
      if (dlgPrint.DoModal( ) == IDOK)
      {
           // ** Attach the printer DC from the dialog
           // ** to a CDC object
           CDC dcPrint;
           dcPrint.Attach(dlgPrint.GetPrinterDC( ));
           
           // ** Create and fill a DOCINFO structure
           DOCINFO myPrintJob;
           myPrintJob.cbSize = sizeof(myPrintJob);
           myPrintJob.lpszDocName = "MyPrintJob";
           myPrintJob.lpszOutput = NULL;
           myPrintJob.lpszDatatype = NULL;
           myPrintJob.fwType = NULL;
           
           // ** Start the printing document
           if (dcPrint.StartDoc(&myPrintJob) >= 0)
           {
                // ** Start a page
                dcPrint.StartPage( );
                
                // ** Start drawing
                dcPrint.TextOut(0, 0, "My Small Print Job");
                
                // ** Throw the page
                dcPrint.EndPage( );
                
                // ** Close the document
                dcPrint.EndDoc( );
           }
           
           // ** Delete the printer device context
           dcPrint.DeleteDC( );
      }
      
      // ** Carry on with the standard OnOk

	CDialog::OnOK();
}