Do not set borders if window state is maximized in Win32 #13228
Merged
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What does the pull request do?
If SystemDecorations is BorderOnly, do not set border styles if WindowState is Maximized.
What is the current behavior?
Border styles are always applied with BorderOnly SystemDecorations, even if the window state doesn't require resizable borders. This creates transparent margin around the window bounds on Windows with WindowState=Maximized.
What is the updated/expected behavior with this PR?
How was the solution implemented (if it's not obvious)?
Checklist
Breaking changes
Obsoletions / Deprecations
Fixed issues