如何将控件的属性绑定到另一个控件的属性？

Question

当表单被禁用时,我希望我的表单中的SaveButton消失.我这样做:

this.formStackPanel.IsEnabled = someValue;
if(this.formStackPanel.IsEnabled)
{
    this.saveButton.Visibility = Visibility.Visible;
}
else
{
    this.saveButton.Visibility = Visibility.Collapsed;
}

是不是有办法在XAML中绑定这些属性？有没有更好的方法呢？

Answer 1

是.您应该能够将stackpanel的IsEnabled绑定到按钮的Visibility属性.但是,您需要一个转换器.WPF附带了一个应该完成工作的BooleanToVisibilityConverter类.

<Window
  x:Class="WpfApplication1.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <Window.Resources>
    <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
  </Window.Resources>
  <StackPanel>
    <ToggleButton x:Name="toggleButton" Content="Toggle"/>
    <TextBlock
      Text="Some text"
      Visibility="{Binding IsChecked, ElementName=toggleButton, Converter={StaticResource BooleanToVisibilityConverter}}"/>
  </StackPanel>
</Window>