/// <summary> /// Fill in the list of chart type names. /// </summary> /// <param name="context">Descriptor context.</param> /// <returns>Standard values collection.</returns> public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { ChartTypeRegistry registry = null; ArrayList values = new ArrayList(); Chart chart = ConverterHelper.GetChartFromContext(context); if (chart != null) { // Get chart type registry service registry = (ChartTypeRegistry)chart.GetService(typeof(ChartTypeRegistry)); if (registry != null) { // Enumerate all chart types names foreach (Object obj in registry.registeredChartTypes.Keys) { if (obj is string) { values.Add(obj); } } } else { throw (new InvalidOperationException(SR.ExceptionEditorChartTypeRegistryServiceInaccessible)); } } // Sort all values values.Sort(); return(new StandardValuesCollection(values)); }