private void _deviceInfo_MI_Click(object sender, EventArgs e)
 {
     using (FormDeviceInfo di = new FormDeviceInfo())
     {
         di.ShowDialog();
     }
 }
 private void _deviceInfo_MI_Click(object sender, EventArgs e)
 {
     using (FormDeviceInfo di = new FormDeviceInfo())
     {
         di.ShowDialog();
     }
 }