Public Function BeginExportScaleBar( _
   ByVal ScaleBar As ScaleBar, _
   ByVal MapDescription As MapDescription, _
   ByVal MapDisplay As ImageDisplay, _
   ByVal BackGroundColor As Color, _
   ByVal ImageDescription As ImageDescription, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As MapServerProxy
Dim ScaleBar As ScaleBar
Dim MapDescription As MapDescription
Dim MapDisplay As ImageDisplay
Dim BackGroundColor As Color
Dim ImageDescription As ImageDescription
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginExportScaleBar(ScaleBar, MapDescription, MapDisplay, BackGroundColor, ImageDescription, callback, asyncState)

public IAsyncResult BeginExportScaleBar( 
   ScaleBar ScaleBar,
   MapDescription MapDescription,
   ImageDisplay MapDisplay,
   Color BackGroundColor,
   ImageDescription ImageDescription,
   AsyncCallback callback,
   object asyncState
)