XAML Namespace http://schemas.microsoft.com/expression/blend/2008 is not resolved

XAML Namespace http://schemas.microsoft.com/expression/blend/2008 is not resolved

报上述错误时，需要再上以下引用

xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
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原文地址：https://www.cnblogs.com/Vito2008/p/2612290.html