|Microsoft DirectX 9.0|
The get_Rate method retrieves the playback rate.
HRESULT get_Rate( double *pdRate );
[out] Pointer to a variable that receives the playback rate.
Returns an HRESULT value. Possible values include the following.
|E_POINTER||NULL pointer argument.|
The playback rate is expressed as a ratio of the normal speed. Thus, 1.0 is normal playback speed, 0.5 is half speed, and 2.0 is twice speed.