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Jul 9th, 2012, 02:05 PM
#2
Re: How does Metro work?
As far as I can determine there are three kinds of Metro applications:
- Native C++
- A modified form of .Net
- HTML5 with JavaScript
Since only the first is native code (the others being basically JITted script) only C++ Metro applets need to be compiled in different editions for x86, x64, or ARM. I'm not even sure WinRT applets can target x64 so maybe there are only two editions to be created.
No native x86 or x64 code is going to run on the ARM platforms. However scripted WinRT applets created for x86 (at least) should run on the ARM machines in most cases. The exception might be a few APIs that don't exist on ARM.
It gets confusing since Microsoft has chosen to call Windows-On-ARM "WinRT" because of course there is a WinRT on x86/x64 machines as well.
Last edited by dilettante; Jul 9th, 2012 at 02:11 PM.
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