C / C++ / MFC

	HANDLE hPipe; <br />
	LPTSTR lpvMessage=TEXT("Hi... hru ... message from client"); <br />
	TCHAR chBuf[BUFSIZE]; <br />
	BOOL fSuccess; <br />
	DWORD cbRead, cbWritten, dwMode; <br />
	LPTSTR lpszPipename = TEXT("\\\\servername\\pipe\\mynamedpipe"); <br />
<br />
	// Try to open a named pipe; wait for it, if necessary. <br />
	SECURITY_ATTRIBUTES saAttr; <br />
<br />
	// Set the bInheritHandle flag so pipe handles are inherited. <br />
<br />
	saAttr.nLength = sizeof(SECURITY_ATTRIBUTES); <br />
	saAttr.bInheritHandle = TRUE; <br />
	saAttr.lpSecurityDescriptor = NULL; <br />
<br />
	<br />
	while (1) <br />
	{ <br />
		hPipe = CreateFile( <br />
			lpszPipename,   // pipe name <br />
			GENERIC_READ |  // read and write access <br />
			GENERIC_WRITE, <br />
			0,              // no sharing <br />
			NULL,           // default security attributes<br />
			OPEN_EXISTING,  // opens existing pipe <br />
			0,        // default attributes <br />
			NULL);          // no template file <br />
<br />
		// Break if the pipe handle is valid. <br />
<br />
		if (hPipe != INVALID_HANDLE_VALUE) <br />
			break; <br />
<br />
		// Exit if an error other than ERROR_PIPE_BUSY occurs. <br />
<br />
		if (GetLastError() != ERROR_PIPE_BUSY) <br />
		{<br />
			printf("Could not open pipe"); <br />
			return;<br />
		}<br />
<br />
		// All pipe instances are busy, so wait for 20 seconds. <br />
<br />
		if (!WaitNamedPipe(lpszPipename, 20000)) <br />
		{ <br />
			printf("Could not open pipe"); <br />
			return ;<br />
		} <br />
	} <br />
<br />
	// The pipe connected; change to message-read mode. <br />
<br />
	dwMode = PIPE_READMODE_MESSAGE; <br />
	fSuccess = SetNamedPipeHandleState( <br />
		hPipe,    // pipe handle <br />
		&dwMode,  // new pipe mode <br />
		NULL,     // don't set maximum bytes <br />
		NULL);    // don't set maximum time <br />
	if (!fSuccess) <br />
	{<br />
		printf("SetNamedPipeHandleState failed"); <br />
		return ;<br />
	}<br />
<br />
	// Send a message to the pipe server. <br />
<br />
	fSuccess = WriteFile( <br />
		hPipe,                  // pipe handle <br />
		lpvMessage,             // message <br />
		(lstrlen(lpvMessage)+1)*sizeof(TCHAR), // message length <br />
		&cbWritten,             // bytes written <br />
		NULL);                  // not overlapped <br />
	if (!fSuccess) <br />
	{<br />
		printf("WriteFile failed"); <br />
		return  ;<br />
	}<br />

void MyFun()
{
	BOOL blnSuccess ;
	g_MySafeDlg = new CMySafeDlg();
		
	MessageBox(NULL,_T("i am in MyFun"),NULL,MB_OK);

//Check if new succeeded and we got a valid pointer to a dialog object
    if(g_MySafeDlg != NULL)
    {	
		BOOL ret = g_MySafeDlg->Create(IDD_DLG_MYSAFE);
		if(!ret)   //Create failed.
		{
		MessageBox(NULL,_T("dialog not created"),NULL,MB_OK);
		return ;
		}
     }
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