named_pipe_cdlg.cpp

Visual C++高级编程及其项目应用开发(含源代码)

// named_pipe_cDlg.cpp : implementation file
//

#include "stdafx.h"
#include "named_pipe_c.h"
#include "named_pipe_cDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CNamed_pipe_cDlg dialog

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

BEGIN_MESSAGE_MAP(CNamed_pipe_cDlg, CDialog)
	//{{AFX_MSG_MAP(CNamed_pipe_cDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CONN, OnConn)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CNamed_pipe_cDlg message handlers

BOOL CNamed_pipe_cDlg::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 CNamed_pipe_cDlg::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 CNamed_pipe_cDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CNamed_pipe_cDlg::OnConn() 
{
	HANDLE hClient = CreateFile("\\\\.\\pipe\\test_pipe\\",GENERIC_WRITE |GENERIC_READ,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
	if(hClient == INVALID_HANDLE_VALUE)
	{
		AfxMessageBox("Error open pipe");
	}
	else
	{
			DWORD dwRead,dwWritten;
			char szSend[10]="send...";
			char szRecv[10];
			for(int i=0;i<strlen(szSend)+1;i++)
			{
				WriteFile(hClient,szSend+i,1,&dwWritten,NULL);
				ReadFile(hClient,szRecv+i,1,&dwRead,NULL);
			}
			CloseHandle(hClient);//close pipe
			AfxMessageBox(szRecv);
	}
}