Loads KeyBasedTreeEntries from the specified external resource into this KeyBasedTreeEntryTable. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2015 
Syntax
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Parameters
- desiredResourceReference
-  Type:  Autodesk.Revit.DB ExternalResourceReference  
 An external resource reference describing the source of the desired KeyBasedTreeEntry data.
- loadResults
-  Type:  Autodesk.Revit.DB KeyBasedTreeEntriesLoadResults  
 If provided, Revit will use this object to store any errors or warnings that were encountered. This argument may be a null reference ( Nothing in Visual Basic) . 
Return Value
Returns whether the operation succeeded or failed.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | The server referenced by the ExternalResourceReference does not exist or does not implement IExternalResourceServer. -or- The server referenced by the ExternalResourceReference cannot support the ExternalResourceReferenceType of this KeyBasedTreeEntryTable. -or- The ExternalResourceReference (desiredResourceReference) is not in a format that is supported by its server. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL | 
| Autodesk.Revit.Exceptions ModificationForbiddenException | The document containing this KeyBasedTreeEntryTable is in failure mode: an operation has failed, and Revit requires the user to either cancel the operation or fix the problem (usually by deleting certain elements). -or- The document containing this KeyBasedTreeEntryTable is being loaded, or is in the midst of another sensitive process. | 
| Autodesk.Revit.Exceptions ModificationOutsideTransactionException | The document containing this KeyBasedTreeEntryTable has no open transaction. |