public AddSeqMotion() { InitializeComponent(); m_motion = MotionBase.GetInstanceInterface(); if (m_motion != null) { int nAxisCnt = m_motion.GetAxisCount(); for (int i = 0; i < nAxisCnt; i++) { comboBox_index.Items.Add(m_motion.GetAxisDevName(i)); } if (nAxisCnt > 0) { comboBox_index.SelectedIndex = 0; } } }