半透明自定义布局面板

发布于 2024-09-05 04:07:05 字数 498 浏览 10 评论 0原文

我通过将面板的不透明度值设置为 0.5，在 WPF 中构建了一个半透明自定义布局面板。一切都按预期工作，除了面板的子项也是半透明的！

我需要更改什么才能使面板的子项呈现不透明？

以下是相关代码：

public class DialogLayoutPanelControl : Panel
{
    public DialogLayoutPanelControl() : base()
    {
        Background = Brushes.LightGray;
        Opacity = 0.5;
    }
 }

解决方案（由 Anvaka 提供）：

    Background = new SolidColorBrush(Colors.LightGray) { Opacity = 0.5 };

原文

I have built a semi-transparent custom layout panel in WPF by setting the Opacity value of the panel to 0.5. Everything works as expected, except that the children of the panel are also semi-transparent!

What do I need to change to have the children of the panel rendered without transparency?

Here's the relevant code:

public class DialogLayoutPanelControl : Panel
{
    public DialogLayoutPanelControl() : base()
    {
        Background = Brushes.LightGray;
        Opacity = 0.5;
    }
 }

Solution (by Anvaka):

    Background = new SolidColorBrush(Colors.LightGray) { Opacity = 0.5 };

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醉殇 2024-09-12 04:07:13

非常感谢Anvaka，你也帮助了我。就我而言，我是通过 XAML（来自样式）完成的：

   <Setter Property="Background">
        <Setter.Value>
            <SolidColorBrush Color="Black" Opacity="0.3"/>
        </Setter.Value>
    </Setter>

Thank you very much Anvaka, you helped me also. In my case, I did it from XAML (from style):

   <Setter Property="Background">
        <Setter.Value>
            <SolidColorBrush Color="Black" Opacity="0.3"/>
        </Setter.Value>
    </Setter>

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