SystemBackdrop: Need to document [Mica/DA]Controller behavior on Theme Change
Describe the bug
Apps deriving from SystemBackdrop to create custom materials need description of how theme change affects underlying SystemBackdropController - i.e. automatic update for default parameters, reliance on app to update for customized parameters.
For more details/context, see #3570
Steps to reproduce the bug
Issue #3570 demonstrates how lack of doc on this behavior causes problems for app developers.
Expected behavior
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Screenshots
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NuGet package version
Windows App SDK 1.3.0: 1.3.230331000
Packaging type
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Windows version
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IDE
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Additional context
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It's been a year for this documentation, and it is (maybe it's just I am dumb but 🤷 ) still
causes problems for app developers.
Updated https://learn.microsoft.com/windows/apps/windows-app-sdk/system-backdrop-controller