senddlg.cpp

《Windows应用程序捆绑核心编程》配套源码

// SendDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Send.h"
#include "SendDlg.h"

/////////////////////////////////////////////////////////////////////////////
// CSendDlg dialog

CSendDlg::CSendDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSendDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSendDlg)
	m_strSend = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

CSendDlg::~CSendDlg()
{
	// Unmap view of file.
	if (!UnmapViewOfFile(m_pszMapView)){
		AfxMessageBox("Unable to unmap view of file.");
	}

	// Close the shared memory file.
	CloseHandle(m_hMapObject);
}

void CSendDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSendDlg)
	DDX_Text(pDX, IDC_EDIT_SEND, m_strSend);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSendDlg, CDialog)
	//{{AFX_MSG_MAP(CSendDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SEND, OnSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSendDlg message handlers

BOOL CSendDlg::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

	m_hMapObject=CreateFileMapping((HANDLE)0xFFFFFFFF,NULL,
		PAGE_READWRITE,	0,	0x1000, _TEXT("shared_memory"));
	
	if(!m_hMapObject){
		AfxMessageBox("Unable to create shared memory file.");
		return FALSE;
	}

	// Map view of file into our address space.
	m_pszMapView=(LPSTR)MapViewOfFile
		(m_hMapObject,FILE_MAP_WRITE, 0, 0,0);

	if(!m_pszMapView){
		AfxMessageBox("Unable to map shared memory file.");
		return FALSE;
	}
		
	return TRUE;  // return TRUE  unless you set the focus to a control.
}

void CSendDlg::OnSend() 
{
	UpdateData();
	strcpy(m_pszMapView,m_strSend);
}