Public Function BeginAddAttachments( _
   ByVal LayerOrTableID As Integer, _
   ByVal AttachmentDataArray() As AttachmentData, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As FeatureServerProxy
Dim LayerOrTableID As Integer
Dim AttachmentDataArray() As AttachmentData
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginAddAttachments(LayerOrTableID, AttachmentDataArray, callback, asyncState)

public IAsyncResult BeginAddAttachments( 
   int LayerOrTableID,
   AttachmentData[] AttachmentDataArray,
   AsyncCallback callback,
   object asyncState
)