private void initLengthUnitComboBox() { UnitComboBox.ComboBox.DataSource = Hanbo.AOM.Configuration.ConfigurationMM.LengthUnits; UnitComboBox.ComboBox.ValueMember = "Value"; UnitComboBox.ComboBox.DisplayMember = "Name"; UnitComboBox.SelectedIndex = 1; UnitComboBox.SelectedIndexChanged += (sender, e) => { var cbox = sender as ToolStripComboBox; if (cbox != null) { var box = cbox.ComboBox; var value = (string)box.SelectedValue; if (_geoManager != null) { _geoManager.SetUnit(value); } } }; }