Public Function BeginQueryAttachmentData( _
   ByVal LayerOrTableID As Integer, _
   ByVal AttachmentIDs() As Integer, _
   ByVal TransportType As esriTransportType, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As FeatureServerProxy
Dim LayerOrTableID As Integer
Dim AttachmentIDs() As Integer
Dim TransportType As esriTransportType
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginQueryAttachmentData(LayerOrTableID, AttachmentIDs, TransportType, callback, asyncState)

public IAsyncResult BeginQueryAttachmentData( 
   int LayerOrTableID,
   int[] AttachmentIDs,
   esriTransportType TransportType,
   AsyncCallback callback,
   object asyncState
)