![d' is an undeclared prefix if xmlns:d="http://schemas.microsoft.com/ expression/blend/2008" is not present · Issue #7367 · microsoft/microsoft-ui-xaml · GitHub d' is an undeclared prefix if xmlns:d="http://schemas.microsoft.com/ expression/blend/2008" is not present · Issue #7367 · microsoft/microsoft-ui-xaml · GitHub](https://user-images.githubusercontent.com/20806279/178749080-bc3028fb-22c9-447d-a01c-5fde43576e08.png)
d' is an undeclared prefix if xmlns:d="http://schemas.microsoft.com/ expression/blend/2008" is not present · Issue #7367 · microsoft/microsoft-ui-xaml · GitHub
![visual studio - How to hide designer error "The property xyz does not exist in the "http://schemas.microsoft.com/expression/blend/2008" namespace - Stack Overflow visual studio - How to hide designer error "The property xyz does not exist in the "http://schemas.microsoft.com/expression/blend/2008" namespace - Stack Overflow](https://i.stack.imgur.com/M7siN.png)
visual studio - How to hide designer error "The property xyz does not exist in the "http://schemas.microsoft.com/expression/blend/2008" namespace - Stack Overflow
![Understanding XAML Schemas and namespace Declarations ( UWP Apps ) - TechNet Articles - United States (English) - TechNet Wiki Understanding XAML Schemas and namespace Declarations ( UWP Apps ) - TechNet Articles - United States (English) - TechNet Wiki](http://social.technet.microsoft.com/wiki/cfs-file.ashx/__key/communityserver-wikis-components-files/00-00-00-00-05/0743.scehemas-only.png)