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New in 2018r3

Supported for all project types and targets.

Called when a user switches between Light and Dark mode, when the accent color changes or on macOS when the user changes any accessibility system preferences that affect the appearance of the app.


Use this event to update any graphics or other UI as needed.

On macOS, you can use declares to determine which accessibility settings the user changed. Details on that can be found in Apple's documentation.

See Also

FillColor, FrameColor, TextColor methods; UserGuide:Dark Mode topic