private void RenderSystems_SelectedIndexChanged( object sender, EventArgs e )
{
lstOptions.Items.Clear();
cboOptionValues.Items.Clear();
RenderSystem system = (RenderSystem)cboRenderSystems.SelectedItem;
ConfigOption optVideoMode;
// Load Render Subsystem Options
foreach ( ConfigOption option in system.ConfigOptions.Values )
{
lstOptions.Items.Add( option );
}
}