/// <include file='doc\DataMemberConverter.uex' path='docs/doc[@for="DataMemberConverter.GetStandardValues"]/*' />
/// <devdoc>
/// <para>
/// Gets the fields present within the selected data source if information about them is available.
/// </para>
/// </devdoc>
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
string[] names = null;
if (context != null)
{
IComponent component = context.Instance as IComponent;
if (component is IDeviceSpecificChoiceDesigner)
{
component = ((IDeviceSpecificChoiceDesigner)component).UnderlyingControl;
}
if (component != null)
{
ISite componentSite = component.Site;
if (componentSite != null)
{
IDesignerHost designerHost = (IDesignerHost)componentSite.GetService(typeof(IDesignerHost));
if (designerHost != null)
{
IDesigner designer = designerHost.GetDesigner(component);
if (designer is IDataSourceProvider)
{
object dataSource = ((IDataSourceProvider)designer).GetSelectedDataSource();
if (dataSource != null)
{
names = DesignTimeData.GetDataMembers(dataSource);
}
}
}
}
}
if (names == null)
{
names = new string[0];
}
Array.Sort(names);
}
return(new StandardValuesCollection(names));
}