如何进行WPF扩展器拉伸? [英] How can I make a WPF Expander Stretch?

问题描述

WPF中的 Expander 控件不会拉伸以填充所有可用空间.XAML中有什么解决方案吗?

The Expander control in WPF does not stretch to fill all the available space. Is there any solutions in XAML for this?

推荐答案

您所需要做的就是:

<Expander>
  <Expander.Header>
    <TextBlock
      Text="I am header text..."
      Background="Blue"
      Width="{Binding
        RelativeSource={RelativeSource
          Mode=FindAncestor,
          AncestorType={x:Type Expander}},
        Path=ActualWidth}"
      />
  </Expander.Header>
  <TextBlock Background="Red">
    I am some content...
  </TextBlock>
</Expander>

http://joshsmithonwpf.wordpress.com/2007/02/24/stretching-content-in-an-expander-header/

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