Public Function BeginCreateReplica( _
   ByVal ParentVersion As String, _
   ByVal ReplicaName As String, _
   ByVal ReplicaDescription As GPReplicaDescription, _
   ByVal ReplicaOptions As GPReplicaOptions, _
   ByVal ExportOptions As GDSExportOptions, _
   ByVal TransportType As esriGDSTransportType, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As GeoDataServerProxy
Dim ParentVersion As String
Dim ReplicaName As String
Dim ReplicaDescription As GPReplicaDescription
Dim ReplicaOptions As GPReplicaOptions
Dim ExportOptions As GDSExportOptions
Dim TransportType As esriGDSTransportType
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginCreateReplica(ParentVersion, ReplicaName, ReplicaDescription, ReplicaOptions, ExportOptions, TransportType, callback, asyncState)

public IAsyncResult BeginCreateReplica( 
   string ParentVersion,
   string ReplicaName,
   GPReplicaDescription ReplicaDescription,
   GPReplicaOptions ReplicaOptions,
   GDSExportOptions ExportOptions,
   esriGDSTransportType TransportType,
   AsyncCallback callback,
   object asyncState
)