摘要： If you already created and are maintaining an amazing VSPackage in VS2010, and you want adapt your package to newer VS2012, meanwhile you want to keep your package works with both VS2010 and VS2012, the first idea come to my eye is to migrate all code from VS2010 to VS2012 and maintaining two versions of code, one for VS2010 and one for VS2012. Right, it is correct and absolutely workable. However, maintaining two versions costs lot. You may ask, is there any other way to do that to make our 阅读全文