[經驗總結]Windows中關閉進程的C++實現

// [Added by thinkhy 09/12/20]// Description: Kill process(es) by PID.// Reference:   http://www.vckbase.com/document/viewdoc/?id=1882// RETVALUE:    SUCCESS   TRUE//              FAILED    FALSEBOOL CProcessTool::KillProcess(DWORD dwPid){         HANDLE hPrc;          if( 0 == dwPid) return FALSE;          hPrc = OpenProcess( PROCESS_ALL_ACCESS, FALSE, dwPid);  // Opens handle to the process.          if( !TerminateProcess(hPrc,0) ) // Terminates a process.         {                   CloseHandle( hPrc );                   return FALSE;         }        else            WaitForSingleObject(hPrc, DELAYTIME); // At most ,waite 2000  millisecond.          CloseHandle(hPrc);         return TRUE;}  // [Added by thinkhy 09/12/20]// Description: Kill process(es) by Name.// Reference:   http://bbs.51testing.com/thread-65884-1-1.html// RETVALUE:    SUCCESS   TRUE//              FAILED    FALSEBOOL CProcessTool::KillProcessByName(const TCHAR *lpszProcessName) {    unsigned int   pid = -1;    BOOL    retval = TRUE;     if (lpszProcessName == NULL)        return -1;     DWORD dwRet = 0;    HANDLE hSnapshot = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS,0 );    PROCESSENTRY32 processInfo;    processInfo.dwSize = sizeof( PROCESSENTRY32 );    int flag = Process32First( hSnapshot, &processInfo );     // Find the process with name as same as lpszProcessName    while (flag != 0)    {        if (_tcscmp(processInfo.szExeFile, lpszProcessName) == 0) {              // Terminate the process.              pid = processInfo.th32ProcessID;              HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid);               if (TerminateProcess(hProcess, 0) != TRUE) { // Failed to terminate it.                  retval = FALSE;                  break;              }        }         flag = Process32Next(hSnapshot, &processInfo);     } // while (flag != 0)     CloseHandle(hSnapshot);     if (pid == -1)        return FALSE;     return retval;}