private void cmbBusType_SelectedIndexChanged(object sender, EventArgs e)
{
pcIeControl.Enabled = pcIeControl.Visible = cmbBusType.SelectedIndex == _PCIe;
vxiControl.Enabled = vxiControl.Visible = cmbBusType.SelectedIndex == _VXI;
pxIeControl.Enabled = pxIeControl.Visible = cmbBusType.SelectedIndex == _PXIe;
pxiControl.Enabled = pxiControl.Visible = cmbBusType.SelectedIndex == _PXI;
pciControl.Enabled = pciControl.Visible = cmbBusType.SelectedIndex == _PCI;
eiA232Control.Enabled = eiA232Control.Visible = cmbBusType.SelectedIndex == _EIA232;
ethernetControl.Enabled = ethernetControl.Visible = cmbBusType.SelectedIndex == _Ethernet;
usbControl.Enabled = usbControl.Visible = cmbBusType.SelectedIndex == _USB;
vmeControl.Enabled = vmeControl.Visible = cmbBusType.SelectedIndex == _VME;
lxiControl.Enabled = lxiControl.Visible = cmbBusType.SelectedIndex == _LXI;
ieeE1394Control.Enabled = ieeE1394Control.Visible = cmbBusType.SelectedIndex == _IEEE1394;
ieeE488Control.Enabled = ieeE488Control.Visible = cmbBusType.SelectedIndex == _IEEE488;
Text = string.Format("{0} Bus", titles[cmbBusType.SelectedIndex]);
}