| Microsoft DirectX 8.1 (C++) |
The IBDA_VoidTransform interface is implemented on a BDA device filter. It is used by the Network Provider to inactivate a portion of a filter graph without stopping the graph.
In addition to the methods inherited from IUnknown, the IBDA_VoidTransform interface exposes the following methods.
| Method | Description |
| Start | Restarts data flow through a control node. |
| Stop | Stops data flow through a control node. |