C# 如何将控件的属性绑定到另一个控件的属性？
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How to bind a control's property to another control's property?
提问by Jader Dias
I want that the SaveButton from my form to dissapear when the form is disabled. I do that this way:
我希望表单中的 SaveButton 在表单被禁用时消失。我这样做：
this.formStackPanel.IsEnabled = someValue;
if(this.formStackPanel.IsEnabled)
{
this.saveButton.Visibility = Visibility.Visible;
}
else
{
this.saveButton.Visibility = Visibility.Collapsed;
}
Isn't there a way of binding those properties in the XAML? Is there a better way of doing that?
没有办法在 XAML 中绑定这些属性吗？有没有更好的方法来做到这一点？
采纳答案by Matt Burland
Yes. You should be able to bind the stackpanel's IsEnabled to your button's Visibility property. However, you need a converter. WPF comes with a BooleanToVisibilityConverter class that should do the job.
是的。您应该能够将堆栈面板的 IsEnabled 绑定到按钮的 Visibility 属性。但是，您需要一个转换器。WPF 带有一个 BooleanToVisibilityConverter 类，应该可以完成这项工作。
<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>
