pppclient.cpp

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

#include "stdafx.h"
#include "PPPClient.h"
#include "PPPClientDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CPPPClientApp

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

/////////////////////////////////////////////////////////////////////////////
// CPPPClientApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CPPPClientApp object

CPPPClientApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CPPPClientApp initialization

BOOL CPPPClientApp::InitInstance()
{
	// static char MyAppTitle[]="PPPClient(Ver1.00)";
	 //if(FindWindow(NULL,MyAppTitle)!=NULL) 
	 //{ 
	//	 return FALSE;//不运行第二个实例. 
	 //} 
	 m_hMutex=CreateMutex(
                    NULL,//nosecurityattributes
                    FALSE,//initiallynotowned
				   "PPPClient(Ver2.01) 2006.DUANGUANJUN.OneInstance");//命名Mutex是全局对象
                   //在所有的process都可以访问到
             if(m_hMutex==NULL||ERROR_ALREADY_EXISTS==::GetLastError())
             {
               //程序第二次或以后运行时，会得到Mutex已经创建的错误
               if(m_hMutex)
               {
                ReleaseMutex(m_hMutex);
				CloseHandle(m_hMutex);
               }
               return FALSE;
			 }
	//  if(FAILED(CoInitialize(NULL)))
	//  {
     //  AfxMessageBox("ERROR - Could not initialize COM library-1");
     //   return FALSE;
	 // }
     // 初始化COM 库
	 if(FAILED(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED)))
	 {
        AfxMessageBox("ERROR - Could not initialize COM library-2");
        return FALSE;
    }
	

	 //////////////////////////////
	if(!AfxInitRichEdit())
	{
		AfxMessageBox("Init richedit ctrl failed!");
		return FALSE;
	}
	if (!AfxSocketInit())
	{
		AfxMessageBox(IDP_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

	CPPPClientDlg 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;
}

int CPPPClientApp::ExitInstance() 
{
	// TODO: Add your specialized code here and/or call the base class	
//	CoUninitialize();
	CoUninitialize();
	//
	if(m_hMutex)
    {
      ReleaseMutex(m_hMutex);
	  CloseHandle(m_hMutex);
    }
	return CWinApp::ExitInstance();
}