Public Function BeginGetLegendInfo( _
   ByVal MapName As String, _
   ByVal LayerIDs() As Integer, _
   ByVal LegendPatch As MapServerLegendPatch, _
   ByVal ImageType As ImageType, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As MapServerProxy
Dim MapName As String
Dim LayerIDs() As Integer
Dim LegendPatch As MapServerLegendPatch
Dim ImageType As ImageType
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginGetLegendInfo(MapName, LayerIDs, LegendPatch, ImageType, callback, asyncState)

public IAsyncResult BeginGetLegendInfo( 
   string MapName,
   int[] LayerIDs,
   MapServerLegendPatch LegendPatch,
   ImageType ImageType,
   AsyncCallback callback,
   object asyncState
)