| Microsoft DirectX 8.1 (C++) | 
The get_Duration method retrieves the duration of the stream.
Syntax
HRESULT get_Duration(
  REFTIME *plength
);
Parameters
plength
[out] Pointer to a variable that receives the total stream length, in seconds.
Return Values
Returns an HRESULT value. Possible values include the following.
| Value | Description | 
| S_OK | Success. | 
| E_NOTIMPL | Not implemented. | 
| E_POINTER | NULL pointer argument. | 
Remarks
This method retrieves the duration of the stream at normal playback speed. Changing the playback rate does not affect the duration.
See Also