private static void OnDataGridCollectionViewSourceDependencyPropertyChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
DataGridCollectionViewSource source = o as DataGridCollectionViewSource;
if (source == null)
{
return;
}
source.AdviseForwardedPropertyChanged();
}
internal override DataGridCollectionViewBase EnsureDataGridCollectionViewBaseCore()
{
DataGridCollectionViewSource parentSource = this.ParentSource as DataGridCollectionViewSource;
object source = parentSource.OriginalSource;
Type itemType = parentSource.ItemType;
DataSourceProvider dataSourceProvider = source as DataSourceProvider;
if (dataSourceProvider != m_dataSourceProvider)
{
if (m_dataSourceProvider != null)
{
DataChangedEventManager.RemoveListener(m_dataSourceProvider, this);
}
m_dataSourceProvider = dataSourceProvider;
if (m_dataSourceProvider != null)
{
DataChangedEventManager.AddListener(m_dataSourceProvider, this);
m_dataSourceProvider.InitialLoad();
}
}
if (dataSourceProvider != null)
{
source = dataSourceProvider.Data;
}
IListSource listSource = source as IListSource;
if (listSource != null)
{
source = listSource.GetList();
}
if (source == null)
{
return(null);
}
IEnumerable enumerableSource = source as IEnumerable;
Debug.Assert(enumerableSource != null);
DataGridCollectionViewBase currentView = this.CurrentView;
if ((currentView != null) &&
(currentView.SourceCollection == enumerableSource) &&
(currentView.DesiredItemType == itemType))
{
// No changes.
return(currentView);
}
return(new DataGridCollectionView(
enumerableSource,
itemType,
parentSource.AutoCreateItemProperties,
parentSource.AutoCreateDetailDescriptions,
parentSource.AutoCreateForeignKeyDescriptions));
}
public DataGridCollectionViewDataProvider(DataGridCollectionViewSource parentSource)
: base(parentSource)
{
}
