www.pudn.com > PDFView.rar > SampleDlgDlg.cpp, change:2009-04-16,size:4885b


// SampleDlgDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "SampleDlg.h" 
#include "SampleDlgDlg.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#endif 
 
 
// CAboutDlg dialog used for App About 
 
class CAboutDlg : public CDialog 
{ 
public: 
	CAboutDlg(); 
 
// Dialog Data 
	enum { IDD = IDD_ABOUTBOX }; 
 
	protected: 
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support 
 
// Implementation 
protected: 
	DECLARE_MESSAGE_MAP() 
}; 
 
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 
{ 
} 
 
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
} 
 
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 
END_MESSAGE_MAP() 
 
 
// CSampleDlgDlg dialog 
 
 
 
 
CSampleDlgDlg::CSampleDlgDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CSampleDlgDlg::IDD, pParent) 
{ 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CSampleDlgDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	DDX_Control(pDX, IDC_PDFVIEWCTRL1, m_PDFViewer); 
} 
 
BEGIN_MESSAGE_MAP(CSampleDlgDlg, CDialog) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	//}}AFX_MSG_MAP 
	ON_BN_CLICKED(IDC_BUTTON_OPEN, &CSampleDlgDlg::OnBnClickedButtonOpen) 
END_MESSAGE_MAP() 
 
 
// CSampleDlgDlg message handlers 
 
BOOL CSampleDlgDlg::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 CSampleDlgDlg::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 CSampleDlgDlg::OnPaint() 
{ 
	if (IsIconic()) 
	{ 
		CPaintDC dc(this); // device context for painting 
 
		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<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 function to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CSampleDlgDlg::OnQueryDragIcon() 
{ 
	return static_cast<HCURSOR>(m_hIcon); 
} 
 
 
void CSampleDlgDlg::OnBnClickedButtonOpen() 
{ 
	char szFilter[] ="PDF File (*.pdf)|*.pdf||"; 
	CFileDialog  fSaveDlg(TRUE,"","", 
		OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, 
		szFilter,this); 
	if(fSaveDlg.DoModal() != IDOK) 
		return; 
	CString strFileName = fSaveDlg.GetPathName(); 
 
#if 0 
	m_PDFViewer.OpenPDF(strFileName, "", ""); 
	 
#else 
	//---------------------------------------------------------------- 
	// 
	// Memory Open 
	// 
	//---------------------------------------------------------------- 
	CString tmp = _T( "" ); 
	HANDLE	hFile = ::CreateFile( strFileName, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); 
	if ( hFile == INVALID_HANDLE_VALUE ) 
	{ 
		tmp.Format( _T( "CreateFile ERROR [CODE = %d]" ), GetLastError() ); 
		AfxMessageBox( tmp ); 
		return; 
	} 
 
	DWORD	dwRead; 
	DWORD	dwSize = ::GetFileSize( hFile, NULL ); 
	BYTE*	pBuffer = new BYTE[ dwSize ]; 
	memset(pBuffer, 0, dwSize); 
 
	if ( !::ReadFile( hFile, (LPVOID)pBuffer, dwSize, &dwRead, NULL ) ) 
	{ 
		tmp.Format( _T( "ReadFile ERROR [CODE = %d]" ), GetLastError() ); 
		AfxMessageBox( tmp ); 
 
		::CloseHandle( hFile ); 
		return; 
	} 
 
	::CloseHandle( hFile ); 
 
	BOOL bRes = m_PDFViewer.OpenPDFFromMem((long)pBuffer, dwSize, "", "" ); 
	if ( !bRes ) 
	{ 
		AfxMessageBox( _T( "Open error!" ) ); 
	} 
#endif 
 
	CString csCurrentPage = _T( "" ); 
	csCurrentPage.Format( _T( "Currnet Page : %d" ), m_PDFViewer.GetCurrentPage() ); 
	AfxMessageBox( csCurrentPage ); 
 
	m_PDFViewer.SetMsgCallbackWnd((long)m_hWnd); 
}