/// <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));
}
/// <summary>
/// Fill in the list of the data source members.
/// </summary>
/// <param name="context">Descriptor context.</param>
/// <returns>Standart values collection.</returns>
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
ArrayList values = new ArrayList();
Chart chart = ConverterHelper.GetChartFromContext(context);
object dataSource = null;
if (chart != null)
{
if (chart != null && ChartImage.IsValidDataSource(chart.DataSource))
{
dataSource = chart.DataSource;
}
// Check if it's Y values member
bool usedForYValues = false;
if (context.PropertyDescriptor != null && context.PropertyDescriptor.Name == "YValueMembers")
{
usedForYValues = true;
}
// Populate list with all members names
ArrayList memberNames = ChartImage.GetDataSourceMemberNames(dataSource, usedForYValues);
foreach (string name in memberNames)
{
values.Add(name);
}
values.Add("(none)");
}
return(new StandardValuesCollection(values));
}
/// <summary>
/// Fill in the list of the chart areas for the series.
/// </summary>
/// <param name="context">Descriptor context.</param>
/// <returns>Standart values collection.</returns>
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
ArrayList values = new ArrayList();
Chart chart = ConverterHelper.GetChartFromContext(context);
if (chart != null)
{
foreach (ChartArea area in chart.ChartAreas)
{
values.Add(area.Name);
}
}
return(new StandardValuesCollection(values));
}