HandyControl/src/Avalonia/HandyControl_Avalonia/Themes/Styles/HyperlinkButton.axaml

<ResourceDictionary xmlns="https://github.com/avaloniaui"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    x:ClassModifier="internal"
                    xmlns:hc="clr-namespace:HandyControl.Controls">

    <ControlTheme x:Key="HyperlinkButtonBaseStyle"
                  TargetType="HyperlinkButton">
        <Setter Property="Cursor"
                Value="Hand" />
        <Setter Property="Background"
                Value="Transparent" />
        <Setter Property="Foreground"
                Value="{DynamicResource PrimaryTextBrush}" />
        <Setter Property="BorderBrush"
                Value="Transparent" />
        <Setter Property="BorderThickness"
                Value="0" />
        <Setter Property="Height"
                Value="{StaticResource DefaultControlHeight}" />
        <Setter Property="Padding"
                Value="{StaticResource DefaultControlPadding}" />
        <Setter Property="HorizontalAlignment"
                Value="Center" />
        <Setter Property="VerticalAlignment"
                Value="Center" />
        <Setter Property="HorizontalContentAlignment"
                Value="Center" />
        <Setter Property="VerticalContentAlignment"
                Value="Center" />
        <Setter Property="TextBlock.TextDecorations"
                Value="Underline" />
        <Setter Property="hc:BorderElement.CornerRadius"
                Value="{StaticResource DefaultCornerRadius}" />
        <Setter Property="CornerRadius"
                Value="{Binding $self.(hc:BorderElement.CornerRadius)}" />
        <Setter Property="Template">
            <ControlTemplate>
                <ContentPresenter x:Name="PART_ContentPresenter"
                                  Background="{TemplateBinding Background}"
                                  BackgroundSizing="{TemplateBinding BackgroundSizing}"
                                  BorderBrush="{TemplateBinding BorderBrush}"
                                  BorderThickness="{TemplateBinding BorderThickness}"
                                  CornerRadius="{TemplateBinding CornerRadius}"
                                  Content="{TemplateBinding Content}"
                                  ContentTemplate="{TemplateBinding ContentTemplate}"
                                  Padding="{TemplateBinding Padding}"
                                  RecognizesAccessKey="True"
                                  HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
                                  VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" />
            </ControlTemplate>
        </Setter>

        <Style Selector="^:pointerover">
            <Setter Property="Opacity"
                    Value="0.9" />
        </Style>

        <Style Selector="^:pressed">
            <Setter Property="Opacity"
                    Value="0.6" />
        </Style>

        <Style Selector="^:disabled">
            <Setter Property="Opacity"
                    Value="0.4" />
        </Style>
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonDefault"
                  BasedOn="{StaticResource HyperlinkButtonBaseStyle}"
                  TargetType="HyperlinkButton" />

    <ControlTheme x:Key="HyperlinkButtonDefault.Small"
                  BasedOn="{StaticResource HyperlinkButtonBaseStyle}"
                  TargetType="HyperlinkButton">
        <Setter Property="Height"
                Value="20" />
        <Setter Property="Padding"
                Value="6,1" />
        <Setter Property="hc:IconElement.Height"
                Value="12" />
    </ControlTheme>

    <ControlTheme x:Key="{x:Type HyperlinkButton}"
                  BasedOn="{StaticResource HyperlinkButtonBaseStyle}"
                  TargetType="HyperlinkButton" />

    <ControlTheme x:Key="HyperlinkButtonGhost"
                  BasedOn="{StaticResource HyperlinkButtonBaseStyle}"
                  TargetType="HyperlinkButton">
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverBackground"
                Value="{DynamicResource SecondaryRegionBrush}" />
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverForeground"
                Value="{DynamicResource PrimaryTextBrush}" />

        <Style Selector="^:pointerover">
            <Setter Property="Background"
                    Value="{Binding $self.(hc:BackgroundSwitchElement.MouseHoverBackground)}" />
            <Setter Property="Foreground"
                    Value="{Binding $self.(hc:BackgroundSwitchElement.MouseHoverForeground)}" />
        </Style>
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhost.Small"
                  BasedOn="{StaticResource HyperlinkButtonGhost}"
                  TargetType="HyperlinkButton">
        <Setter Property="Height"
                Value="20" />
        <Setter Property="Padding"
                Value="6,1" />
        <Setter Property="hc:IconElement.Height"
                Value="12" />
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhostPrimary"
                  BasedOn="{StaticResource HyperlinkButtonGhost}"
                  TargetType="HyperlinkButton">
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverBackground"
                Value="{DynamicResource PrimaryBrush}" />
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverForeground"
                Value="{DynamicResource TextIconBrush}" />
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhostPrimary.Small"
                  BasedOn="{StaticResource HyperlinkButtonGhostPrimary}"
                  TargetType="HyperlinkButton">
        <Setter Property="Height"
                Value="20" />
        <Setter Property="Padding"
                Value="6,1" />
        <Setter Property="hc:IconElement.Height"
                Value="12" />
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhostSuccess"
                  BasedOn="{StaticResource HyperlinkButtonGhost}"
                  TargetType="HyperlinkButton">
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverBackground"
                Value="{DynamicResource SuccessBrush}" />
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverForeground"
                Value="{DynamicResource TextIconBrush}" />
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhostSuccess.Small"
                  BasedOn="{StaticResource HyperlinkButtonGhostSuccess}"
                  TargetType="HyperlinkButton">
        <Setter Property="Height"
                Value="20" />
        <Setter Property="Padding"
                Value="6,1" />
        <Setter Property="hc:IconElement.Height"
                Value="12" />
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhostInfo"
                  BasedOn="{StaticResource HyperlinkButtonGhost}"
                  TargetType="HyperlinkButton">
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverBackground"
                Value="{DynamicResource InfoBrush}" />
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverForeground"
                Value="{DynamicResource TextIconBrush}" />
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhostInfo.Small"
                  BasedOn="{StaticResource HyperlinkButtonGhostInfo}"
                  TargetType="HyperlinkButton">
        <Setter Property="Height"
                Value="20" />
        <Setter Property="Padding"
                Value="6,1" />
        <Setter Property="hc:IconElement.Height"
                Value="12" />
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhostWarning"
                  BasedOn="{StaticResource HyperlinkButtonGhost}"
                  TargetType="HyperlinkButton">
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverBackground"
                Value="{DynamicResource WarningBrush}" />
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverForeground"
                Value="{DynamicResource TextIconBrush}" />
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhostWarning.Small"
                  BasedOn="{StaticResource HyperlinkButtonGhostWarning}"
                  TargetType="HyperlinkButton">
        <Setter Property="Height"
                Value="20" />
        <Setter Property="Padding"
                Value="6,1" />
        <Setter Property="hc:IconElement.Height"
                Value="12" />
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhostDanger"
                  BasedOn="{StaticResource HyperlinkButtonGhost}"
                  TargetType="HyperlinkButton">
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverBackground"
                Value="{DynamicResource DangerBrush}" />
        <Setter Property="hc:BackgroundSwitchElement.MouseHoverForeground"
                Value="{DynamicResource TextIconBrush}" />
    </ControlTheme>

    <ControlTheme x:Key="HyperlinkButtonGhostDanger.Small"
                  BasedOn="{StaticResource HyperlinkButtonGhostDanger}"
                  TargetType="HyperlinkButton">
        <Setter Property="Height"
                Value="20" />
        <Setter Property="Padding"
                Value="6,1" />
        <Setter Property="hc:IconElement.Height"
                Value="12" />
    </ControlTheme>

</ResourceDictionary>