www.pudn.com > SimplePlayer.rar > SimplyPlayer.cpp

// SimplyPlayer.cpp : 定义应用程序的类行为。 
// 
 
#include "stdafx.h" 
#include "SimplyPlayer.h" 
#include "SimplyPlayerDlg.h" 
#include ".\simplyplayer.h" 
 
#include  
 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#endif 
 
 
// CSimplyPlayerApp 
 
BEGIN_MESSAGE_MAP(CSimplyPlayerApp, CWinApp) 
	ON_COMMAND(ID_HELP, CWinApp::OnHelp) 
END_MESSAGE_MAP() 
 
 
// CSimplyPlayerApp 构造 
 
CSimplyPlayerApp::CSimplyPlayerApp() 
{ 
	// TODO: 在此处添加构造代码， 
	// 将所有重要的初始化放置在 InitInstance 中 
} 
 
 
// 唯一的一个 CSimplyPlayerApp 对象 
 
CSimplyPlayerApp theApp; 
 
 
// CSimplyPlayerApp 初始化 
 
HANDLE hExeCheckMutex; 
BOOL CSimplyPlayerApp::InitInstance() 
{ 
	// 如果一个运行在 Windows XP 上的应用程序清单指定要 
	// 使用 ComCtl32.dll 版本 6 或更高版本来启用可视化方式， 
	//则需要 InitCommonControls()。否则，将无法创建窗口。 
 
	 
    if( !FirstInstance() )  
	{ 
		AfxMessageBox(_T("程序已经在运行了，请检查是否已被最小化到托盘！")); 
		return   FALSE;   
	}  
	 
 
	//第二种方法实现防止程序多次运行 
	/*HWND   hWndCap,hWndPopup; 
	CString   strCaption; 
	HANDLE   hPrevMutex   =   OpenMutex(MUTEX_ALL_ACCESS,FALSE,_T("h_XXXX_PrevInstance")); 
	if(hPrevMutex) 
	{ 
		CloseHandle(hPrevMutex); 
		strCaption.LoadString(AFX_IDS_APP_TITLE); 
		hWndCap   =   FindWindow(NULL,strCaption);  
		if(   hWndCap   !=   NULL ) 
		{ 
			AfxMessageBox(_T("程序已经在运行了，请检查是否已被最小化到托盘！")); 
			return   FALSE;  
		} 
		 
	} 
 
	//这里须重载APP的ExitInstance去释放hExeCheckMutex 
	hExeCheckMutex   =   CreateMutex(FALSE,0,"h_XXXX_PrevInstance");*/ 
	 
	InitCommonControls(); 
	CWinApp::InitInstance(); 
 
	AfxEnableControlContainer(); 
 
	// 标准初始化 
	// 如果未使用这些功能并希望减小 
	// 最终可执行文件的大小，则应移除下列 
	// 不需要的特定初始化例程 
	// 更改用于存储设置的注册表项 
	// TODO: 应适当修改该字符串， 
	// 例如修改为公司或组织名 
	SetRegistryKey(_T("应用程序向导生成的本地应用程序")); 
 
	CSimplyPlayerDlg dlg; 
	m_pMainWnd = &dlg; 
	INT_PTR nResponse = dlg.DoModal(); 
	if (nResponse == IDOK) 
	{ 
		// TODO: 在此放置处理何时用“确定”来关闭 
		//对话框的代码 
	} 
	else if (nResponse == IDCANCEL) 
	{ 
		// TODO: 在此放置处理何时用“取消”来关闭 
		//对话框的代码 
	} 
 
	//判断程序是否在运行 
	 
	 
 
	return FALSE; 
} 
 
 
 
/*BOOL   CSimplyPlayerApp::FindProcess(LPCTSTR   pszProcessName) 
{ 
    PDH_STATUS   pdhStatus   =   ERROR_SUCCESS;    
    LPTSTR   pszCounterListBuffer   =   NULL;    
    DWORD   dwCounterListSize   =   0;    
    LPTSTR   pszInstanceListBuffer   =   NULL;    
    DWORD   dwInstanceListSize   =   0;    
    LPTSTR   pszThisInstance   =   NULL;    
 
    pdhStatus   =   PdhEnumObjectItems( 
										NULL,    
										NULL,    
										TEXT("Process"),    
										pszCounterListBuffer,    
										&dwCounterListSize,    
										pszInstanceListBuffer,    
										&dwInstanceListSize,    
										PERF_DETAIL_WIZARD,    
										0); 
 
    if   (pdhStatus   ==   ERROR_SUCCESS   ||   pdhStatus   ==  PDH_MORE_DATA ) 
	{ 
 
		pszCounterListBuffer   =   (LPTSTR)HeapAlloc(GetProcessHeap(),   HEAP_ZERO_MEMORY,dwCounterListSize   *   sizeof   (TCHAR)); 
		pszInstanceListBuffer   =(LPTSTR)   HeapAlloc(GetProcessHeap(),   HEAP_ZERO_MEMORY,dwInstanceListSize   *   sizeof   (TCHAR)); 
 
		if((pszCounterListBuffer   !=   NULL)   &&(pszInstanceListBuffer   !=   NULL)) 
{ 
      pdhStatus   =   PdhEnumObjectItems   ( 
                  NULL,    
NULL,    
TEXT("Process"),    
pszCounterListBuffer,    
&dwCounterListSize,    
pszInstanceListBuffer,    
&dwInstanceListSize,    
PERF_DETAIL_WIZARD,    
0); 
if(pdhStatus   ==   ERROR_SUCCESS) 
{ 
 
      for   (pszThisInstance   =   pszInstanceListBuffer; 
*pszThisInstance   !=   0; 
pszThisInstance   +=   lstrlen(pszThisInstance)   +   1) 
      { 
            if(lstrcmpi(pszThisInstance,pszProcessName)==0) 
return   TRUE; 
      } 
} 
            } 
 
            if(pszCounterListBuffer) 
HeapFree(GetProcessHeap(),HEAP_ZERO_MEMORY,pszCounterListBuffer); 
            if(pszInstanceListBuffer) 
HeapFree(GetProcessHeap(),HEAP_ZERO_MEMORY,pszInstanceListBuffer); 
} 
return   FALSE; 
}*/ 
 
BOOL CSimplyPlayerApp::FirstInstance() 
{ 
	CWnd *pWndPrev, *pWndChild; 
	pWndPrev = CWnd::FindWindow(NULL, _T("MyPlayer → By Stefanie924")); 
	if(pWndPrev != NULL) 
	{ 
		//pWndChild = pWndPrev->GetLastActivePopup(); 
		/*if(pWndPrev->IsIconic()) 
		{ 
			pWndPrev->ShowWindow(TRUE); 
			pWndPrev->SetForegroundWindow(); 
			//CSimplyPlayerDlg dlg; 
			//Shell_NotifyIcon(NIM_DELETE,&dlg.nid);//从托盘中删除 
		}*/ 
		return FALSE; 
	} 
	else 
	{ 
		return TRUE; 
	} 
}