| Microsoft DirectX 8.1 (C++) |
The IMediaPosition object contains methods for seeking the filter graph and setting the playback rate.
To use this object, declare a variable of type IMediaPosition and set it equal to the FilgraphManager object:
Dim mGraph As New FilgraphManager
Dim iPosition As ImediaEvent
Set iPosition = mGraph
Requirements
Include a reference in your project to "ActiveMovie control type library" (Quartz.dll).
The IMediaPosition object exposes the following properties and methods.
| Property | Description |
| CurrentPosition | Sets or retrieves the playback position. |
| Duration | Retrieves the duration of the stream. |
| PrerollTime | Sets or retrieves the amount of data that will be queued before the start position. |
| Rate | Sets or retrieves the playback rate. |
| StopTime | Sets or retrieves the stop time. |
| Method | Description |
| CanSeekBackward | Queries whether the stream can be seeked backward. |
| CanSeekForward | Queries whether the stream can be seeked forward. |