|Microsoft DirectX 9.0|
Sets the track speed. The track speed is like a multiplier that is used to speed up or slow down the playback of the track.
DWORD Track, FLOAT Speed );
- [in] Track to set the speed on.
- [in] New speed.
If the method succeeds, the return value is D3D_OK.
If the method fails, the return value can be one of the following values.
D3DERR_INVALIDCALL The method call is invalid. For example, a method's parameter may have an invalid value. E_OUTOFMEMORY Microsoft?Direct3D?could not allocate sufficient memory to complete the call.