| Microsoft DirectX 8.1 (Visual Basic) | 
Retrieves a data object specified by its globally unique identifier (GUID).
object.GetDataObjectById( _
    ID As String, _
    RetVal As DirectXFileData)
If the method fails, an error is raised and Err.Number can be set to one of the following values.
| DXFILEERR_BADVALUE | 
| DXFILEERR_NOTFOUND | 
For information on trapping errors, see the Microsoft® Visual Basic® Error Handling topic.