Usage of fluent resource as StaticResource throws XamlParseException

[harshit7962]

Description

Usage of resources defined in Fluent theme as StaticResource is not supported in the current implementation for Fluent themes. The usage throws a XamlParseException in doing so.

Reproduction Steps

Create an application that supports Fluent styles.

• Use ThemeMode to instantiate Fluent styles (Do not include Fluent resource dictionary).
• Define a TextBlock as follows:

<TextBlock Style="{StaticResource BodyStrongTextBlockStyle"} Text="Hello World!" />

Expected behavior

Application should launch without any failure.

Actual behavior

Application throws XamlParseException

Regression?

No response

Known Workarounds

The resource can be used as a DynamicResource.

Impact

No response

Configuration

Windows 11 .NET 9 x64

Other information

No response