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NETSDK1149 indicates that you're trying to reference a component that requires WinRT in an application that targets .NET 5 or a later version. These .NET versions don't have built-in support for WinRT. The full error message is similar to the following example:
<Component name> cannot be referenced because it uses built-in support for WinRT, which is no longer supported in .NET 5 and higher. An updated version of the component supporting .NET 5 is needed.
If your application calls Windows Runtime APIs, resolve this error by changing the application's Target Framework Moniker (TFM) to a value that targets Windows 10. For more information, see Call Windows Runtime APIs in desktop apps.
If your application calls a 3rd party WinRT component, get an updated version of the component that supports .NET 5. You can generate an updated version by using C#/WinRT.
For more information, see Built-in support for WinRT is removed from .NET.
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