A value that controls render duration. 
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)
Since:  2017 
Syntax
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Remarks
 The duration of rendering. 
Exceptions
| Exception | Condition | 
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| Autodesk.Revit.ExceptionsArgumentOutOfRangeException | When setting this property: The value is not valid for RenderDuration. -or- When setting this property: A value passed for an enumeration argument is not a member of that enumeration | 
| Autodesk.Revit.ExceptionsInvalidOperationException | When setting this property: The RenderingQualitySettings does not use custom quality currently. To use custom quality, set RenderingQuality property to RenderingQuality.Custom. |