/// <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));
}
internal virtual ArrayList GetMemberNames()
{
object dataSource = null;
if (ChartWinDesigner.controlDesigner != null)
{
dataSource = ChartWinDesigner.controlDesigner.GetControlDataSource(_chart);
}
// Get list of members
if (dataSource != null)
{
return(ChartImage.GetDataSourceMemberNames(dataSource, this.usedForYValue));
}
return(new ArrayList());
}
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
ArrayList arrayList = new ArrayList();
if (context != null && context.Instance != null)
{
IServiceContainer serviceContainer = null;
if (context.Instance is Series && ((Series)context.Instance).serviceContainer != null)
{
serviceContainer = ((Series)context.Instance).serviceContainer;
}
if (serviceContainer == null && context.Instance is Array)
{
Array array = (Array)context.Instance;
if (array.Length > 0 && array.GetValue(0) is Series)
{
serviceContainer = ((Series)array.GetValue(0)).serviceContainer;
}
}
if (serviceContainer == null && context.Instance is Chart)
{
serviceContainer = ((Chart)context.Instance).serviceContainer;
}
if (serviceContainer != null)
{
ChartImage chartImage = (ChartImage)serviceContainer.GetService(typeof(ChartImage));
if (chartImage != null)
{
object dataSource = null;
bool usedForYValue = false;
if (context.PropertyDescriptor != null && context.PropertyDescriptor.Name == "ValueMembersY")
{
usedForYValue = true;
}
ArrayList dataSourceMemberNames = ChartImage.GetDataSourceMemberNames(dataSource, usedForYValue);
foreach (string item in dataSourceMemberNames)
{
arrayList.Add(item);
}
arrayList.Add("(none)");
}
}
}
return(new StandardValuesCollection(arrayList));
}
