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

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

public IAsyncResult BeginQueryRowCount( 
   string MapName,
   MapTableDescription MapTableDescription,
   QueryFilter QueryFilter,
   AsyncCallback callback,
   object asyncState
)