BTool.FormMain.tsmiCloseDevice_Click C# (CSharp) Method

        private void tsmiCloseDevice_Click(object sender, EventArgs e)
        {
            m_mutex.WaitOne();
            DeviceForm activeDeviceForm = GetActiveDeviceForm();
            if (activeDeviceForm != null)
            {
                activeDeviceForm.DeviceFormClose(true);
                activeDeviceForm.Close();
                comPortTreeForm.RemovePort(activeDeviceForm.devInfo.ComPortInfo.ComPort);
            }
            comPortTreeForm.FindNodeToOpen();
            m_mutex.ReleaseMutex();
        }