Ping for Windows

#define PING_BITMAP_SIZE 16
	m_img.Create(IDB_LOG, PING_BITMAP_SIZE, 1, RGB(255, 0, 255));

LRESULT CWinPingDlg::OnStatus(WPARAM wParam, LPARAM lParam)
{
	char* pMsg = (char*) lParam;

	int nCnt = m_list.GetItemCount();
	
	int i = m_list.InsertItem(nCnt,pMsg,wParam);
	m_list.EnsureVisible(i,FALSE);

	delete pMsg;

	int iColWidth = m_list.GetColumnWidth(0);

	// Find the longest string in the list.
	CString    str;
	CSize      sz;
	int        dx = 0;
	TEXTMETRIC tm;
	CDC*       pDC = m_list.GetDC();
	CFont*     pFont = m_list.GetFont();

	// Select the list font, save the old font
	CFont* pOldFont = pDC->SelectObject(pFont);

	// Get the text metrics for max char width
	pDC->GetTextMetrics(&tm);

	for (int i = 0; i < m_list.GetItemCount(); i++)
	{
		str = m_list.GetItemText(i, 0);
		sz = pDC->GetTextExtent(str);

		// Add the max width to prevent clipping
		sz.cx += tm.tmMaxCharWidth;

		if (sz.cx > dx)
			dx = sz.cx;
	}

	// Select the old font back into the DC
	pDC->SelectObject(pOldFont);
	m_list.ReleaseDC(pDC);

	dx += PING_BITMAP_SIZE;		// Include the size of the bitmap in the total line length

	// Set the horizontal extent so every character of all strings  
	// can be scrolled to.
	if (dx > iColWidth)
		m_list.SetColumnWidth(0, dx);

	return 0;
}

// stdafx.h : include file for standard system include files,
//  or project specific include files that are used frequently, but
//      are changed infrequently
//

#if !defined(AFX_STDAFX_H__6609025C_5D2A_4866_A906_EECB83458979__INCLUDED_)
#define AFX_STDAFX_H__6609025C_5D2A_4866_A906_EECB83458979__INCLUDED_

#pragma once

#define VC_EXTRALEAN					// Exclude rarely-used stuff from Windows headers
#define WIN32_LEAN_AND_MEAN				// Exclude rarely-used stuff from Windows headers
#define NO_WARN_MBCS_MFC_DEPRECATION	// Eliminates: vs2013 warning C4996: 'MBCS_Support_Deprecated_In_MFC': MBCS support in MFC is deprecated and may be removed in a future version of MFC
#define _WINSOCK_DEPRECATED_NO_WARNINGS	// Eliminates: vs2013 warning: 'Use getaddrinfo() or GetAddrInfoW() instead ... this is about old calls only supporting IPV4 and not IPV6

#if _MSC_VER > 1300
#pragma warning( disable : 4996 )		// VS .NET 2005 deprecation warning C4996: 'xxxx': The POSIX name for this item is deprecated. Instead, use the ISO C++ conformant name: _xxxx
#define strcmpi _strcmpi	// warning C4996: 'strcmpi': The POSIX name for this item is deprecated. Instead, use the ISO C++ conformant name: _strcmpi.
#ifndef	_CRT_SECURE_NO_WARNINGS	
#undef _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES
#define _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES 1	 	// VS .NET 2005 Define safe prototype
#define _CRT_SECURE_NO_WARNINGS	1
#endif
#endif // _MSC_VER > 1300

#ifndef _WIN32_WINNT		// Allow use of latest features 
#define _WIN32_WINNT _WIN32_WINNT_MAXVER		// This clears a warning and is the default
#endif						

#define _ATL_CSTRING_EXPLICIT_CONSTRUCTORS	// some CString constructors will be explicit

#define VC_EXTRALEAN					// Exclude rarely-used stuff from Windows headers
#define WIN32_LEAN_AND_MEAN				// Exclude rarely-used stuff from Windows headers
#define NO_WARN_MBCS_MFC_DEPRECATION	// Eliminates: vs2013 warning C4996: 'MBCS_Support_Deprecated_In_MFC': MBCS support in MFC is deprecated and may be removed in a future version of MFC

// turns off MFC's hiding of some common and often safely ignored warning messages
#define _AFX_ALL_WARNINGS

#include <afxwin.h>         // MFC core and standard components
#include <afxext.h>         // MFC extensions
#ifndef _AFX_NO_AFXCMN_SUPPORT
#include <afxcmn.h>			// MFC support for Windows Common Controls
#endif // _AFX_NO_AFXCMN_SUPPORT

#include <afxsock.h>		// MFC socket extensions

#define WM_MSG_STATUS	WM_USER + 0x0100
#define WM_PING_END		WM_USER + 0x0101

// string message allocator for posting messages between windows...
static char* AllocBuffer(CString strMsg)
{
	int nLen = strMsg.GetLength();
	char *pBuffer = new char[nLen+1]; 
	
	strcpy(pBuffer,(const char*)strMsg);

	ASSERT(pBuffer != NULL);
	return pBuffer;
}

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_STDAFX_H__6609025C_5D2A_4866_A906_EECB83458979__INCLUDED_)

// WinPing.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "WinPing.h"
#include "WinPingDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CWinPingApp

BEGIN_MESSAGE_MAP(CWinPingApp, CWinApp)
	//{{AFX_MSG_MAP(CWinPingApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWinPingApp construction

CWinPingApp::CWinPingApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CWinPingApp object

CWinPingApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CWinPingApp initialization

BOOL CWinPingApp::InitInstance()
{
	if (!AfxSocketInit())
	{
		AfxMessageBox(IDP_SOCKETS_INIT_FAILED);
		return FALSE;
	}

	//AfxEnableControlContainer();

	SetRegistryKey("FSWH");

	// Standard initialization
//	// If you are not using these features and wish to reduce the size
//	//  of your final executable, you should remove from the following
//	//  the specific initialization routines you do not need.
//
//#ifdef _AFXDLL
//	Enable3dControls();			// Call this when using MFC in a shared DLL
//#else
//	Enable3dControlsStatic();	// Call this when linking to MFC statically
//#endif

	CWinPingDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}

protected:
	void WSAError(LPCSTR pstrFrom); // Existing
	CString GetLastErrorDescription(DWORD dwErrorCode);

CString CPing::GetLastErrorDescription(DWORD dwErrorCode)
{
	CString csErrorDescription;

	LPVOID lpMsgBuf;
	if (FormatMessage(
		FORMAT_MESSAGE_ALLOCATE_BUFFER |
		FORMAT_MESSAGE_FROM_SYSTEM |
		FORMAT_MESSAGE_IGNORE_INSERTS,
		NULL,
		dwErrorCode,
		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
		(LPTSTR)&lpMsgBuf,
		0,
		NULL))
	{
		csErrorDescription.Format("WSAError[%d] : %s", dwErrorCode, (char *)lpMsgBuf);

		LocalFree(lpMsgBuf);
	}

	return csErrorDescription;
}

void CPing::WSAError(LPCSTR lpMsg)
{
	CString strMsg;
	DWORD dwErrorCode = WSAGetLastError();

	strMsg.Format("%s - %s", lpMsg, GetLastErrorDescription(dwErrorCode));

	::PostMessage(m_hWnd,WM_MSG_STATUS, 0, (LPARAM) AllocBuffer(strMsg));
}

void CPing::Ping(UINT nRetries,LPCSTR pstrHost,HWND hWnd)
{

...
for (nLoop = 0; nLoop < nRetries; nLoop++)
	{
		// Send ICMP echo request
		SendEchoRequest(rawSocket, &saDest);
....

}

UINT CPingThread::ThreadProc(void* lpParam)
{
	...
.
.

if (dwWait == WAIT_OBJECT_0 + 1)
			pThis->m_ping.Ping(pThis->m_nRetries,pThis->m_strHost, pThis->m_hWnd);

.
.