Will Windows Dlls work on Windows Phone?

I am developing a relatively simple .NET class library mainly using basic value and reference types. To save code duplication, I would like to export to 1 DLL which could be used by both Windows 开发者_JS百科PCs and Windows Phone devices? Is this possible? As far as I know, all methods are compatible with the .NET and Compact .NET Framework.

Yes, as long as you stick to the Compact Framework subset, it will work. Check out this MSDN article on that same topic.

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The techniques and principles discussed in this article can be utilized when writing cross-device code—applications that target Windows devices with differing form factors (different screen sizes, orientations, touch screens and so on).