Indicates the cause for the active server to be changed 
   Namespace:   Autodesk.Revit.DB.ExternalService  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2013 
  Since:  2013 
Syntax
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| Visual Basic | 
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| Visual C++ | 
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Members
| Member name | Description | 
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| ImposedChange | The active server is being changed as a result of other operations in Revit. | 
| UserChange | The change of the active server has been explicitly requested by the end user. |