| Microsoft DirectX 9.0 |
The FilgraphManager object (Filter Graph Manager) builds and controls the filter graph. Applications can use it to build file-playback graphs; run, pause, or stop the graph; or find filters in the registry.
To create this object, use the New keyword:
Dim mGraph As New FilgraphManager
Requirements
Include a reference in your project to "ActiveMovie control type library" (Quartz.dll).
The FilgraphManager object exposes the following properties and methods.
| Property | Description |
| FilterCollection | Retrieves a collection of the filters in the filter graph. |
| RegFilterCollection | Retrieves a collection of all the filters listed in the registry. |
| Method | Description |
| AddSourceFilter | Adds a source filter to the filter graph, for a specified file. |
| GetState | Retrieves the current state of the filter graph. |
| Pause | Pauses all the filters in the filter graph. |
| RenderFile | Builds a filter graph that renders the specified file. |
| Run | Runs all the filters in the filter graph. |
| Stop | Stops all the filters in the filter graph. |
| StopWhenReady | Pauses the filter graph, allowing filters to queue data, and then stops the filter graph. |