Hi there I have a questions if you could help me out: (AVstream audio driver) If I implement Clock procedures in KSPIN_DISPATCH struct and add KSPIN_FLAG_IMPLEMENT_CLOCK to Flags variable will the system then support KSPROPERTY_AUDIO_POSITION property by it self or do I need to implement that too? Waldemar ****************** 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.de/