<Window x:Class="WPF元素绑定_1_示例.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <StackPanel>
        <Slider Name="SliderFontSize" Minimum="1" Maximum="100" Value="40" TickFrequency="1" TickPlacement="TopLeft" />

        <Label>
            Binding 绑定元素 ElementName=SliderFontSize 指定元素名称,Path=Value 指定绑定的值
        </Label>
        <TextBlock Margin="10" Text="简单的文字" Name="TextBlockShow"
                   FontSize="{Binding ElementName=SliderFontSize,Path=Value,Mode=TwoWay}" />

        <WrapPanel>
            <Button Margin="5 0" Padding="15 5" Name="SetSmall" Click="SetSmall_OnClick">设置小号</Button>
            <Button Margin="5 0" Padding="15 5" Name="SetNormal" Click="SetNormal_OnClick">设置默认</Button>
            <Button Margin="5 0" Padding="15 5" Name="SetLarge" Click="SetLarge_OnClick">设置大号</Button>
            <Label>不要直接设置在字体上，会使用字面绑定代替元素绑定！！！或者使用Mode为TwoWay</Label>
        </WrapPanel>
    </StackPanel>
</Window>