> Is there any way other than by friendlyname that audio filter enumeration can > use to uniquely identify a driver for a particular device? I wouldn't use friendly name for identifying anything programmatically. That string is for the user and conflicts can be expected (as you mention). It seems likely SPDRP_HARDWAREID would be of some use to you. There are many other properties in that vicinity that you might find useful as well. ? Pete Gontier <http://www.m-audio.com/> ****************** 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/
