系统编程

开发平台：
Visual C++

ServerDlg.cpp：源码内容
							// ServerDlg.cpp : implementation file
//
#include "stdafx.h"
#include "Server.h"
#include "ServerDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CServerDlg dialog
CServerDlg::CServerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CServerDlg::IDD, pParent)
	, m_edit1(_T(""))
{
	//{{AFX_DATA_INIT(CServerDlg)
		// 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 CServerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	
	DDX_Text(pDX, IDC_EDIT, m_edit1);
	//{{AFX_DATA_MAP(CServerDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CServerDlg, CDialog)
	//{{AFX_MSG_MAP(CServerDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_StartClient, OnBUTTONStartClient)
	ON_BN_CLICKED(IDC_BUTTON_CloseClient, OnBUTTONCloseClient)
	ON_BN_CLICKED(IDC_BUTTON_SendMessage, OnBUTTONSendMessage)
	ON_BN_CLICKED(IDC_BUTTON_WriteToMemory, OnBUTTONWriteToMemory)
	ON_BN_CLICKED(IDC_BUTTON_WriteToMessagePipe, OnBUTTONWriteToMessagePipe)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CServerDlg message handlers
BOOL CServerDlg::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
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}
// 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 CServerDlg::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 CServerDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
void CServerDlg::OnBUTTONStartClient() 
{
	// TODO: Add your control notification handler code here
    PROCESS_INFORMATION pi;
    STARTUPINFO si;
	si.dwFlags=STARTF_USEPOSITION;
	si.dwX=300;
	si.dwY=500;
	memset(&si,0,sizeof(si));
    si.cb=sizeof(si);
    bool fRet=CreateProcess(NULL,
							"Client.exe",
							NULL,
							NULL,
							FALSE,
							NORMAL_PRIORITY_CLASS|CREATE_NEW_CONSOLE,
							NULL,
							NULL,
							&si,
							&pi);
	
}
void CServerDlg::OnBUTTONCloseClient() 
{
    CString str="Client";
	CWnd *pWnd=CWnd::FindWindow(NULL,str);
	if(pWnd){
        pWnd->SendMessage(WM_CLOSE,0,0); 
	}
	
}
void CServerDlg::OnBUTTONSendMessage() 
{
    UpdateData(TRUE);
	CString str="Client";
	CWnd *pWnd=CWnd::FindWindow(NULL,str);
	if(pWnd)
	{
		COPYDATASTRUCT buf;
		char * s=new char[m_edit1.GetLength()];   //m_edit1为CString类型的变量
		s=m_edit1.GetBuffer(0);
		buf.cbData=strlen(s)+1;
		buf.lpData=s;
		pWnd->SendMessage(WM_COPYDATA,0,(LPARAM)&buf); //传送大量数据要用WM_COPYDATA消息
	}
	
}
void CServerDlg::OnBUTTONWriteToMemory() 
{
	HANDLE m_hMap;   
	LPSTR  m_lpData;   
	m_hMap=CreateFileMapping((HANDLE)0xFFFFFFFF,NULL,PAGE_READWRITE,0,0x200,"MYSHARE");   
	if(m_hMap==NULL)   
	{   
		AfxMessageBox("CreateFileMapping() failed.");
		return;
	}
	//将文件的视图映射到一个进程的地址空间上，返回LPVOID类型的内存指针
	m_lpData=(LPSTR)MapViewOfFile(m_hMap,FILE_MAP_ALL_ACCESS,0,0,0);   
	if(m_lpData==NULL)   
	{   
		AfxMessageBox("MapViewOfFile() failed.");
		return;
	}
    UpdateData(TRUE);
	//给这段映像内存写数据
	sprintf(m_lpData,m_edit1);   
	
}
void CServerDlg::OnBUTTONWriteToMessagePipe() 
{
    HANDLE PipeHandle;
	
   // 创建有名管道文件句柄
    UpdateData(TRUE);
	if ((PipeHandle = CreateFile("\\.\pipe\mypipe",
		GENERIC_READ | GENERIC_WRITE, 0,
		(LPSECURITY_ATTRIBUTES) NULL, OPEN_EXISTING,
		FILE_ATTRIBUTE_NORMAL,
		(HANDLE) NULL)) == INVALID_HANDLE_VALUE)
	{
		AfxMessageBox("创建文件失败！");
		return;
	}
	else
	{
		DWORD dwWrite;
			char cSend[20];
			UpdateData(TRUE);
			int j;
			for(j=0;j<m_edit1.GetLength();j++)
				cSend[j] = m_edit1.GetAt(j);
			cSend[j] = '';
			for(int i=0;i<strlen(cSend)+1;i++)
			{
				WriteFile(PipeHandle,cSend+i,1,&dwWrite,NULL);
			}
			CloseHandle(PipeHandle);
	}
	
	CloseHandle(PipeHandle);
	
}
void CServerDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	CDialog::OnOK();
}
void CServerDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

						