MetalUI / Soft Hardware

React · SwiftUI · agent guides

Radio group

One choice from a short list: round wells beside their labels; pressing darkens the well, releasing latches a pip in on the part spring while the old choice's pip drops out (the preset-button interlock).

Use it for

  • Two to about six options where every option should be visible at once, and exactly one holds: "Export as PNG · SVG · PDF".

Don't use it for

  • On or off (use a switch), several at once (use checkboxes), a long list (use a select), or switching views in place (use a switcher).

Read the Radio group agent guide · Copy registry source

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