Public Function BeginGeocode( _
   ByVal request As GeocodeRequest, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As BasicHttpBinding_IGeocodeService
Dim request As GeocodeRequest
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginGeocode(request, callback, asyncState)

public IAsyncResult BeginGeocode( 
   GeocodeRequest request,
   AsyncCallback callback,
   object asyncState
)