【WPF】ScaleTransformのサンプル。大きくなります。
<Window x:Class="TransformTest.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Height="300" Width="300">
<Window.Resources>
<Style x:Key="TxtStyle" TargetType="{x:Type RadioButton}">
<Style.Triggers>
<Trigger Property="IsChecked" Value="True">
<Setter Property="LayoutTransform">
<Setter.Value>
<ScaleTransform x:Name="test" ScaleX="2" ScaleY="2"/>
</Setter.Value>
</Setter>
<Setter Property="Foreground" Value="Red"/>
</Trigger>
</Style.Triggers>
</Style>
</Window.Resources>
<Grid>
<StackPanel Margin="20,20,0,0" >
<RadioButton Content="一般細菌" Style="{StaticResource TxtStyle}"/>
<RadioButton Content="抗酸菌" Style="{StaticResource TxtStyle}"/>
</StackPanel>
</Grid>
</Window>