Public Function BeginGetGreatCircleDistances( _
   ByVal latLongs() As LatLong, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As CommonService
Dim latLongs() As LatLong
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginGetGreatCircleDistances(latLongs, callback, asyncState)

public IAsyncResult BeginGetGreatCircleDistances( 
   LatLong[] latLongs,
   AsyncCallback callback,
   object asyncState
)