Public Function BeginQueryRasterValue( _
   ByVal MapName As String, _
   ByVal SourceTableID As Integer, _
   ByVal RowIDs() As Integer, _
   ByVal FieldName As String, _
   ByVal ImageType As ImageType, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As MapServerProxy
Dim MapName As String
Dim SourceTableID As Integer
Dim RowIDs() As Integer
Dim FieldName As String
Dim ImageType As ImageType
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginQueryRasterValue(MapName, SourceTableID, RowIDs, FieldName, ImageType, callback, asyncState)

public IAsyncResult BeginQueryRasterValue( 
   string MapName,
   int SourceTableID,
   int[] RowIDs,
   string FieldName,
   ImageType ImageType,
   AsyncCallback callback,
   object asyncState
)