Lokesh Patakolusu wrote: > > Thanks for the reply.I wanted to check if the soundmax driver supports > the property or not.Whatever the code i posted before is working > fine(able to create instance). Well, clearly it does NOT work fine, if you can't access the KS properties of the driver. > I got stuck up with associating the soundmax driver.Can anybody pls > guide me how to associate the driver since i wanted to check for > soundmax driver. I already told you this. CComPtr<IDirectSound8> pSound; DirectSoundCreate8( NULL, &pSound, NULL ); CComQIPtr<IKsPropertySet> pKs = pSound; If the SoundMax is not your default playback device, then use DirectSoundEnumerate to look for the device description, and pass that GUID as the first parameter to DirectSoundCreate8. -- Tim Roberts, timr@xxxxxxxxx Providenza & Boekelheide, Inc. ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/