Sets the projection surface transparency. 
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)
Since:  2014 
Syntax
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Parameters
- transparency
- Type: SystemInt32
 Value of the transparency of the projection surface (0 = opaque, 100 = fully transparent).
Return Value
Reference to the changed object.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.ExceptionsArgumentException | Transparency must be greater than 0 and less than 100. |