Public Function BeginExecute( _
   ByVal ToolName As String, _
   ByVal Values() As GPValue, _
   ByVal Options As GPResultOptions, _
   ByVal EnvironmentValues As PropertySet, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As GPServerProxy
Dim ToolName As String
Dim Values() As GPValue
Dim Options As GPResultOptions
Dim EnvironmentValues As PropertySet
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginExecute(ToolName, Values, Options, EnvironmentValues, callback, asyncState)

public IAsyncResult BeginExecute( 
   string ToolName,
   GPValue[] Values,
   GPResultOptions Options,
   PropertySet EnvironmentValues,
   AsyncCallback callback,
   object asyncState
)