mysecondmapdlg.cpp

Visual C++高级编程及其项目应用开发(含源代码)

// MySecondMapDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MySecondMap.h"
#include "MySecondMapDlg.h"

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

UINT WM_MYPROCMSG;
UINT WM_MYDATAEND;

HANDLE m_hEvent; // 保存Proc_SynEvent事件对象的句柄

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CMySecondMapDlg dialog

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

void CMySecondMapDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMySecondMapDlg)
	DDX_Text(pDX, IDC_EDIT_RECV, m_strRecv);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMySecondMapDlg, CDialog)
	//{{AFX_MSG_MAP(CMySecondMapDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CLOSE()

	ON_REGISTERED_MESSAGE(WM_MYPROCMSG, OnMyProcMsg)
	ON_REGISTERED_MESSAGE(WM_MYDATAEND, OnMyDataEnd)
	
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMySecondMapDlg message handlers

BOOL CMySecondMapDlg::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

	// 打开m_hEvent
	m_hEvent = OpenEvent(EVENT_MODIFY_STATE, FALSE, "Proc_SynEvent");
	if(NULL == m_hEvent)
	{
		return FALSE;
	}
	SetEvent(m_hEvent);	

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMySecondMapDlg::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 CMySecondMapDlg::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 CMySecondMapDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}


void CMySecondMapDlg::OnMyProcMsg()
{
	HANDLE hFileMap = OpenFileMapping(FILE_MAP_READ | FILE_MAP_WRITE, FALSE, "Syn_Mapping");
	LPVOID lpView = MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 0);

	if(NULL != lpView)
	{
		m_strRecv = LPCSTR(lpView);
	}
	else
	{
		m_strRecv ="wrong!";
	}

	UpdateData(FALSE);

	UnmapViewOfFile(lpView);
	CloseHandle(hFileMap);
	SetEvent(m_hEvent);

}

void CMySecondMapDlg::OnMyDataEnd()
{
	PostQuitMessage(0);
	//CDialog::OnClose();
	//OnClose();
}

void CMySecondMapDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	SetEvent(m_hEvent);
	CDialog::OnClose();
}


BOOL CMySecondMapDlg::PreTranslateMessage(MSG* pMsg) 
{
	// TODO: Add your specialized code here and/or call the base class
	/*if(pMsg->message == WM_MYPROCMSG)
	{
		//AfxMessageBox("haha");
		HANDLE hFileMap = OpenFileMapping(FILE_MAP_READ, FALSE, "Proc_SynEvent");
		LPVOID lpView = MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 0);

		//m_strRecv = LPCSTR(lpView);
		int nLen = *((int*)lpView);
		char *str = new char[nLen];

		memcpy((void*)str, (BYTE*)lpView+4, nLen);

		m_strRecv = str;

		UpdateData(FALSE);

		UnmapViewOfFile(lpView);
		CloseHandle(hFileMap);
		SetEvent(m_hEvent);
	}*/
	return CDialog::PreTranslateMessage(pMsg);
}