Sets the transparency value of the handle and the associated DirectContext3D graphics. 
   Namespace:   Autodesk.Revit.DB.DirectContext3D  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 18.0.0.0 (18.2.0.0) 
  Since:  2018 
Syntax
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Parameters
- transparency
-  Type:  System Int32  
 The transparency value to apply (in percentage)
Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentOutOfRangeException | The value is invalid. The valid range is 0 through 100 |