Draw   |  
 Gets the clip rectangle for the Revit view where rendering takes place. The clip rectangle is the area currently being redrawn, which may be smaller than the view rectangle. 
 Namespace: Autodesk.Revit.DB.DirectContext3D
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
| Exception | Condition | 
|---|---|
| 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. |