The title to show on the dialog. 
   Namespace:   Autodesk.Revit.UI  
  Assembly:   RevitAPIUI  (in RevitAPIUI.dll) Version: 22.0.0.0 (22.1.0.0) 
  Since:  2017 
Syntax
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Field Value
If not set, a default title will be used for the dialog. For open, this will be something similar to "Select File" and for save, "Save As".Exceptions
| Exception | Condition | 
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| Autodesk.Revit.Exceptions ArgumentException | When setting this property: title cannot include prohibited unprintable characters. | 
| Autodesk.Revit.Exceptions ArgumentNullException | When setting this property: A non-optional argument was null |