Harvest a native (x86 or x64) COM Dll's registration information with WIX Heat (v3.5, v3.6)?

I have a new C++/ATL DLL (x86 and x64) that I'd like to include in an installer and was hoping H开发者_StackOverfloweat.exe could save some effort.

Heat doesn't support x64 self-reg extraction. In general, you can use the extracted x86 registration for both x86 and x64 -- the WiX COM elements like Class work for both flavors.