在 XAML 中，指定来自另一个程序集的图标

发布于 2024-11-28 13:41:51 字数 888 浏览 1 评论 0原文

我是 WPF 和 XAML 新手。我有以下可以使用代码隐藏的解决方案。但在我看来，在 XAML 中指定应该更容易。

我想将图标设置为另一个程序集中的资源（具体来说，即 System.Activities.Presentation 中的“FlowDecisionIcon”）。当添加到代码隐藏中的构造函数时，以下代码可以工作：

InitializeComponent(); // This was already there
ResourceDictionary dict = new ResourceDictionary { Source = new Uri("pack://application:,,,/System.Activities.Presentation;V4.0.0.0;31bf3856ad364e35;component/themes/icons.xaml") };
this.Resources.MergedDictionaries.Add(dict);
Icon = this.Resources["FlowDecisionIcon"] as DrawingBrush;

我希望有一种很好的方法可以在 XAML 中指定它，如下所示：

<Window xmlns:sap="clr-namespace:System.Activities.Presentation;assembly=System.Activities.Presentation"
Icon="sap:FlowDecisionIcon"> ...

或者，只需在 Visual Studio 的“属性”面板中指定它图标属性。但我一直没能成功地找出执行这两者的语法。

原文

I'm new to WPF and XAML. I have the following solution which WORKS using codebehind. But it seems to me to be something that should be easier to specify in XAML.

I want to set the Icon to a resource in another assembly (specifically, so the "FlowDecisionIcon" in System.Activities.Presentation). The following code works, when added to the constructor in the codebehind:

InitializeComponent(); // This was already there
ResourceDictionary dict = new ResourceDictionary { Source = new Uri("pack://application:,,,/System.Activities.Presentation;V4.0.0.0;31bf3856ad364e35;component/themes/icons.xaml") };
this.Resources.MergedDictionaries.Add(dict);
Icon = this.Resources["FlowDecisionIcon"] as DrawingBrush;

I was hoping there would be a nice way for me to specify this either in the XAML as something like:

<Window xmlns:sap="clr-namespace:System.Activities.Presentation;assembly=System.Activities.Presentation"
Icon="sap:FlowDecisionIcon"> ...

Or, just specify it in Visual Studio in the Properties panel for the Icon property. But I've been unsuccessful in figuring out the syntax to do either.

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忱杏 2024-12-05 13:41:51

看来您处于 Window 控件中。

<Window Icon="{DynamicReosurce FlowDecisionIcon}"
     .....
    <Window.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ReosurceDictionary Source="pack://application:,,,/System.Activities.Presentation;V4.0.0.0;31bf3856ad364e35;component/themes/icons.xaml" />
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Window.Resources>
</Window>

但是，建议将资源合并移至 App.xaml 文件。

It seems that you're in a Window control.

<Window Icon="{DynamicReosurce FlowDecisionIcon}"
     .....
    <Window.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ReosurceDictionary Source="pack://application:,,,/System.Activities.Presentation;V4.0.0.0;31bf3856ad364e35;component/themes/icons.xaml" />
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Window.Resources>
</Window>

But, it's advised to move the merging of the resources to the App.xaml file.

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