I\'m currently integrating my Wix projects in MSBuild. It is necessary for me to pass multiple values to the Wix project. One value will work (ProductVersion in the sample b
I think something like this should work.
DEBUG;TRACE
Check this blog post to see if it can help you out. http://www.sedodream.com/PermaLink,guid,9b1d23aa-6cb2-48cb-a47a-9cef29622676.aspx
Also check this forum post. It solves a similar problem as yours. http://social.msdn.microsoft.com/Forums/en-US/msbuild/thread/3f485bf4-1b00-48bf-b5d0-4b83341ce4a6/