Public Function BeginQueryRelatedObjects( _
   ByVal SourceLayerOrTableID As Integer, _
   ByVal ObjectIDsInSource() As Integer, _
   ByVal RelationshipID As Integer, _
   ByVal TargetDefinitionExpression As String, _
   ByVal TargetTableProps As String, _
   ByVal GroupBySourceOIDs As Boolean, _
   ByVal OutSR As SpatialReference, _
   ByVal OutTR As TimeReference, _
   ByVal ServiceDataOptions As ServiceDataOptions, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As FeatureServerProxy
Dim SourceLayerOrTableID As Integer
Dim ObjectIDsInSource() As Integer
Dim RelationshipID As Integer
Dim TargetDefinitionExpression As String
Dim TargetTableProps As String
Dim GroupBySourceOIDs As Boolean
Dim OutSR As SpatialReference
Dim OutTR As TimeReference
Dim ServiceDataOptions As ServiceDataOptions
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginQueryRelatedObjects(SourceLayerOrTableID, ObjectIDsInSource, RelationshipID, TargetDefinitionExpression, TargetTableProps, GroupBySourceOIDs, OutSR, OutTR, ServiceDataOptions, callback, asyncState)

public IAsyncResult BeginQueryRelatedObjects( 
   int SourceLayerOrTableID,
   int[] ObjectIDsInSource,
   int RelationshipID,
   string TargetDefinitionExpression,
   string TargetTableProps,
   bool GroupBySourceOIDs,
   SpatialReference OutSR,
   TimeReference OutTR,
   ServiceDataOptions ServiceDataOptions,
   AsyncCallback callback,
   object asyncState
)