Public Function BeginQueryFeatureCount2( _
   ByVal MapName As String, _
   ByVal LayerDescription As LayerDescription, _
   ByVal QueryFilter As QueryFilter, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As MapServerProxy
Dim MapName As String
Dim LayerDescription As LayerDescription
Dim QueryFilter As QueryFilter
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginQueryFeatureCount2(MapName, LayerDescription, QueryFilter, callback, asyncState)

public IAsyncResult BeginQueryFeatureCount2( 
   string MapName,
   LayerDescription LayerDescription,
   QueryFilter QueryFilter,
   AsyncCallback callback,
   object asyncState
)