Public Function BeginGetVirtualCacheDirectory( _
   ByVal LayerID As Integer, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As GlobeServerProxy
Dim LayerID As Integer
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginGetVirtualCacheDirectory(LayerID, callback, asyncState)

public IAsyncResult BeginGetVirtualCacheDirectory( 
   int LayerID,
   AsyncCallback callback,
   object asyncState
)