ip查询.cpp

IP查询源代码..原理简单..适合初学者学习

// IP查询.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "IP查询.h"
#include "IP查询Dlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CIPApp

BEGIN_MESSAGE_MAP(CIPApp, CWinApp)
	//{{AFX_MSG_MAP(CIPApp)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CIPApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CIPApp object

CIPApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CIPApp initialization

BOOL CIPApp::InitInstance()
{
  if (!AfxSocketInit())  //套接字初始化失败，发送消息给用户
	{
		AfxMessageBox(IDS_SOCKETS_INIT_FAILED);
		return FALSE;
	}
AfxEnableControlContainer();

	// 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
  
	CIPDlg 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
	}
    
  WSAStartup(MAKEWORD(1,1),&wsaData);  //分配套接字存储空间
   return FALSE;
}

int CIPApp::ExitInstance() 
{
    WSACleanup();  //套接字的清理工作，以便释放其占用的资源	
	return CWinApp::ExitInstance();
}