小e的心得整理房

        [DllImport("user32.dll", SetLastError = true)]
        static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);

                uint _pid = 0;
                GetWindowThreadProcessId(new IntPtr(ExcelApp.Hwnd), out _pid);
                Process _processes = Process.GetProcessById((int)_pid);
                if (_processes != null) _processes.Kill();