Public Function BeginGetCountryRegionInfo( _
   ByVal entityIDs() As Integer, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As CommonService
Dim entityIDs() As Integer
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginGetCountryRegionInfo(entityIDs, callback, asyncState)

public IAsyncResult BeginGetCountryRegionInfo( 
   int[] entityIDs,
   AsyncCallback callback,
   object asyncState
)