New sample: Filter Building Scene Layer

[praveenaak]

Description

New Sample for Filter Building Scene Layer in Layers Category

Type of change

• New sample implementation

Platforms tested on

• WPF
• WinUI
• MAUI WinUI
• MAUI Android
• MAUI iOS
• MAUI MacCatalyst

Checklist

• Self-review of changes
• All changes work as expected on all affected platforms
• There are no warnings related to changes
• Code is commented and follows .NET conventions and standards
• Codemaid and XAML styler extensions have been run on every changed file
• No unrelated changes have been made to any other code or project files
• Screenshots are correct size and display in description tab (800 x 600 on Windows, MAUI mobile platforms use the MAUI Windows screenshot)

[imalcolm1]

There seem to be issues when starting in vertical layout and rotating the device to horizontal.

This is what it looks like on Android. On iOS the bar on the right does not remain, but the panel is still centered rather than right aligned as seems to be the intended behavior.

[imalcolm1]

You may as well put this inside the null check if block. Applies to all platforms