<ExtensionAttribute()>
Public Shared Function AllInDataSourceAsync(Of T As Class)( _
   ByVal source As IRepository(Of T), _
   ByVal orderBy As Func(Of IQueryable(Of T),IOrderedQueryable(Of T)), _
   ByVal includeProperties As String, _
   ByVal onSuccess As Action(Of IEnumerable(Of T)), _
   ByVal onFail As Action(Of Exception) _
) As OperationResult(Of IEnumerable(Of T))

Dim source As IRepository(Of T)
Dim orderBy As Func(Of IQueryable(Of T),IOrderedQueryable(Of T))
Dim includeProperties As String
Dim onSuccess As Action(Of IEnumerable(Of T))
Dim onFail As Action(Of Exception)
Dim value As OperationResult(Of IEnumerable(Of T))
 
value = Compatibility.AllInDataSourceAsync(Of T)(source, orderBy, includeProperties, onSuccess, onFail)

[ExtensionAttribute()]
public static OperationResult<IEnumerable<T>> AllInDataSourceAsync<T>( 
   IRepository<T> source,
   Func<IQueryable<T>,IOrderedQueryable<T>> orderBy,
   string includeProperties,
   Action<IEnumerable<T>> onSuccess,
   Action<Exception> onFail
)
where T: class

[ExtensionAttribute()]
public:
static OperationResult<IEnumerable<T^>^>^ AllInDataSourceAsyncgeneric<typename T>
( 
   IRepository<T^>^ source,
   Func<IQueryable<T^>^,IOrderedQueryable<T^>^>^ orderBy,
   String^ includeProperties,
   Action<IEnumerable<T^>^>^ onSuccess,
   Action<Exception^>^ onFail
) 
where T: ref class