/// <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));
}