光盘安装向导.cpp

有用的光盘工具安装向导软件

// 光盘安装向导.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "光盘安装向导.h"
#include "光盘安装向导Dlg.h"
#include "XInfoTip.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMyApp

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

/////////////////////////////////////////////////////////////////////////////
// CMyApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CMyApp object

CMyApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMyApp initialization

BOOL CMyApp::InitInstance()
{

    // 创建互斥体对象
	HANDLE hMutex=CreateMutex(NULL, FALSE, "Mutex");
	// 如果本程序已有实例在运行，则GetLastError()返回ERROR_ALREADY_EXISTS
	if(GetLastError()==ERROR_ALREADY_EXISTS) 
	{
        CloseHandle(hMutex); //关闭互斥体对象句柄
		//获取桌面窗口的一个子窗口。
        HWND hWndPrev=::GetWindow(::GetDesktopWindow(),GW_CHILD);
        // 枚举当前窗口，查找本程序已运行的实例
		while(::IsWindow(hWndPrev))
		{
          //判断窗口是否有预先设置的属性"MutexDlg"，
		  //如有，则是要本程序已运行实例的窗口，并将它激活。
          if(::GetProp(hWndPrev,"MutexDlg"))
		  {
            //如果主窗口已最小化，则恢复其大小。
            if (::IsIconic(hWndPrev))
			::ShowWindow(hWndPrev,SW_RESTORE);

			//激活应用程序的主窗口
			::SetForegroundWindow(hWndPrev);
			return FALSE; //退出本实例
		  }
		  //继续寻找下一个窗口。
		  hWndPrev = ::GetWindow(hWndPrev,GW_HWNDNEXT);
		}
        AfxMessageBox("已有一个实例在运行，但找不到它的主窗口！",MB_OK|MB_ICONINFORMATION,NULL);
		return FALSE; //退出本实例
	}	
	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

	CMyDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	
	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}