FillButton inherits from Button.

Property

Name
Tone
Size
Icon
NavigateUri

Enums

FillButtonTone

Name
Soft
Outline

FillButtonSize

Name
Small
Default
Large

Example

<dev:FillButton Content="Get started" />

<dev:FillButton Content="Documentation"
                Tone="Outline"
                Size="Large"
                NavigateUri="https://github.com/Ghost1372/DevWinUI">
    <dev:FillButton.Icon>
        <FontIcon Glyph="&#xE774;" />
    </dev:FillButton.Icon>
</dev:FillButton>

WARNING

Content should be text, because it is presented twice: as the label and as its decorative copy on the fill.

Demo

you can run demo and see this feature.