[wdmaudiodev] Filter name problem

  • From: Robert Bielik <robert.bielik@xxxxxxxxxx>
  • To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Thu, 02 Dec 2010 09:55:17 +0100

To be able to set the volume of a target sound device, I traverse pins for 
wave/topology filters to arrive at a
volume node. Works fine normally, but I've encountered a problem on XP where 
the symbolic link to a topology filter is
and CreateFile on that fails with : 0x0000007b The filename, directory name, or 
volume label syntax is incorrect.

Now if I change the symbolic link to:

CreateFile works just fine.

Question is: If I encounter the double ?? is it OK to just replace the first 
one with backslash ??



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