public override TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
string[] array = null;
if (context != null)
{
IComponent instance = context.Instance as IComponent;
if (instance != null)
{
ISite site = instance.Site;
if (site != null)
{
IDesignerHost service = (IDesignerHost)site.GetService(typeof(IDesignerHost));
if (service != null)
{
IDesigner dataBoundControlDesigner = service.GetDesigner(instance);
DesignerDataSourceView view = this.GetView(dataBoundControlDesigner);
if (view != null)
{
IDataSourceDesigner dataSourceDesigner = view.DataSourceDesigner;
if (dataSourceDesigner != null)
{
string[] viewNames = dataSourceDesigner.GetViewNames();
if (viewNames != null)
{
array = new string[viewNames.Length];
viewNames.CopyTo(array, 0);
}
}
}
if (((array == null) && (dataBoundControlDesigner != null)) && (dataBoundControlDesigner is IDataSourceProvider))
{
IDataSourceProvider provider = dataBoundControlDesigner as IDataSourceProvider;
object dataSource = null;
if (provider != null)
{
dataSource = provider.GetSelectedDataSource();
}
if (dataSource != null)
{
array = DesignTimeData.GetDataMembers(dataSource);
}
}
}
}
}
if (array == null)
{
array = new string[0];
}
Array.Sort(array, Comparer.Default);
}
return(new TypeConverter.StandardValuesCollection(array));
}
public override DesignerDataSourceView GetView(string viewName)
{
if (string.IsNullOrEmpty(viewName))
viewName = "DefaultView";
if (viewName != "DefaultView")
return null;
if (_view == null)
_view = new ObjectDesignerDataSourceView(this, viewName);
return _view;
}
public override TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
object[] values = null;
if (context != null)
{
IComponent instance = context.Instance as IComponent;
if (instance != null)
{
ISite site = instance.Site;
if (site != null)
{
IDesignerHost host = (IDesignerHost)site.GetService(typeof(IDesignerHost));
if (host != null)
{
IDesigner dataBoundControlDesigner = host.GetDesigner(instance);
DesignerDataSourceView view = this.GetView(dataBoundControlDesigner);
if (view != null)
{
IDataSourceViewSchema schema = null;
try
{
schema = view.Schema;
}
catch (Exception exception)
{
IComponentDesignerDebugService service = (IComponentDesignerDebugService)site.GetService(typeof(IComponentDesignerDebugService));
if (service != null)
{
service.Fail(System.Design.SR.GetString("DataSource_DebugService_FailedCall", new object[] { "DesignerDataSourceView.Schema", exception.Message }));
}
}
if (schema != null)
{
IDataSourceFieldSchema[] fields = schema.GetFields();
if (fields != null)
{
values = new object[fields.Length];
for (int i = 0; i < fields.Length; i++)
{
values[i] = fields[i].Name;
}
}
}
}
if (((values == null) && (dataBoundControlDesigner != null)) && (dataBoundControlDesigner is IDataSourceProvider))
{
IDataSourceProvider provider = dataBoundControlDesigner as IDataSourceProvider;
IEnumerable dataSource = null;
if (provider != null)
{
dataSource = provider.GetResolvedSelectedDataSource();
}
if (dataSource != null)
{
PropertyDescriptorCollection dataFields = DesignTimeData.GetDataFields(dataSource);
if (dataFields != null)
{
ArrayList list = new ArrayList();
foreach (PropertyDescriptor descriptor in dataFields)
{
list.Add(descriptor.Name);
}
values = list.ToArray();
}
}
}
}
}
}
}
return(new TypeConverter.StandardValuesCollection(values));
}
public override DesignerDataSourceView GetView(string viewName)
{
if (string.IsNullOrEmpty(viewName))
{
viewName = "DefaultView";
}
if (!string.Equals(viewName, "DefaultView", StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (this._view == null)
{
this._view = this.CreateView(viewName);
}
return this._view;
}
