我们刚刚从VS 2015升级到VS 2017，并不断收到我们的.csproj不兼容的消息。我搜索过每个网站并且他们一直在说同样的事情，但它不起作用。
以下是目前导致问题的.csproj。我肯定错过了什么。当你找到这只松鼠找不到的坚果时，我将非常感激。我知道这是非常简单的事情，但我在.csproj中找不到任何改变，以使其在vs2017中兼容。
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Other similar extension points exist, see Microsoft.Common.targets.
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