---

    <StackPanel Margin="20">
        <TextBlock Text="Угадайте число от 1 до 10:" FontSize="14" Margin="0,0,0,15"/>
        <StackPanel Orientation="Horizontal">
            <RadioButton Content="1"  GroupName="Num" Checked="Num_Checked" ToolTip="I"   Margin="5"/>
            <RadioButton Content="2"  GroupName="Num" Checked="Num_Checked" ToolTip="II"  Margin="5"/>
            <RadioButton Content="3"  GroupName="Num" Checked="Num_Checked" ToolTip="III" Margin="5"/>
            <RadioButton Content="4"  GroupName="Num" Checked="Num_Checked" ToolTip="IV"  Margin="5"/>
            <RadioButton Content="5"  GroupName="Num" Checked="Num_Checked" ToolTip="V"   Margin="5"/>
            <RadioButton Content="6"  GroupName="Num" Checked="Num_Checked" ToolTip="VI"  Margin="5"/>
            <RadioButton Content="7"  GroupName="Num" Checked="Num_Checked" ToolTip="VII" Margin="5"/>
            <RadioButton Content="8"  GroupName="Num" Checked="Num_Checked" ToolTip="VIII"Margin="5"/>
            <RadioButton Content="9"  GroupName="Num" Checked="Num_Checked" ToolTip="IX"  Margin="5"/>
            <RadioButton Content="10" GroupName="Num" Checked="Num_Checked" ToolTip="X"   Margin="5"/>
        </StackPanel>
    </StackPanel>
</Window>