Draw   |  
 Sets the world transformation that will be applied to geometry during rendering. 
 Namespace: Autodesk.Revit.DB.DirectContext3D
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Parameters
- trf Transform
 - The transformation matrix.
 
| Exception | Condition | 
|---|---|
| ArgumentNullException | A non-optional argument was null | 
| InvalidOperationException | This DrawContext is not available because Revit is not currently rendering. In general, this DrawContext must be used in the scope of the RenderScene() callback of IDirectContext3DServer. |