（WPF）属性值继承

属性值继承并不同于传统面向对象的类继承，而是指属性值自顶向下沿着元素树传递。

下面的代码在Window 元素上设置了Font属性。两个设置将会沿着逻辑树向下传递，并由子元素继承。

但是若子元素如设置了这样的属性，则不受其父元素设置的影响。

<span style="font-size:14px;">
</span><span style="font-size:12px;"><Window xmlns = "http://schemas.microsoft.com/winfx/2006/xaml/presentation "
        xmlns:x= "http://schemas.microsoft.com/winfx/2006/xaml/presentation
        Title ="属性继承" SizeToContent = "WidthAndHeight" FontSize = "30" FontStyle = " Italic"
        Background = "OrangeRed">
 <StackPanel>
  <Label FontWeight = "Bold" FontSize = "20" Foreground = "White">WPF</Label>
  <Label> WPF2</Label>
  <ListBox>
   <ListBoxItem> chapter 1</ListBoxItem>
   <ListBoxItem> chapter 2</ListBoxItem>
  </ListBox>
  <StackPanel Orientation = "Horizontal" HorizontalAlignment = "Center">
   <Button MinWidth = "75" Margin = "10">Help</Button>
   <Button MinWidth = "75" Margin = "10">OK</Button>
  </StackPanel>
  <StatusBar >successed</StatusBar>
 </StackPanel>
</Window></span>

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