Public Function BeginGetCount( _
   ByVal LayerOrTableID As Integer, _
   ByVal DefinitionExpression As String, _
   ByVal QueryFilter As QueryFilter, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As FeatureServerProxy
Dim LayerOrTableID As Integer
Dim DefinitionExpression As String
Dim QueryFilter As QueryFilter
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginGetCount(LayerOrTableID, DefinitionExpression, QueryFilter, callback, asyncState)

public IAsyncResult BeginGetCount( 
   int LayerOrTableID,
   string DefinitionExpression,
   QueryFilter QueryFilter,
   AsyncCallback callback,
   object asyncState
)