Xaml 中的 WPF 扩展器？

发布于 2024-08-21 18:50:30 字数 978 浏览 7 评论 0原文

我想创建一个 ItemsControl 来提供一些自己的子项，然后在使用时可以添加其他子项，类似于内置的 Expander 类。

但是，在此示例中，Header TextBlock 也被删除。这是一个改写我昨天问的一个问题。

LayerPanelItem.xaml：

<ItemsControl x:Class="Controls.LayerPanelItem"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <StackPanel>
        <TextBlock>Header</TextBlock>
        <StackPanel Name="InnerContent">
            <!-- Test 1 and Test 2 should go here. -->
        </StackPanel>
    </StackPanel>

</ItemsControl>

Main.xaml：

<controls:LayerPanelItem>
    <TextBlock>Test 1</TextBlock>
    <TextBlock>Test 2</TextBlock>
</controls:LayerPanelItem>

原文

I want to make an ItemsControl that provides some of its own children, and then when used can add additional children, similarly to the built in Expander class.

However, in this example, the Header TextBlock is also removed. This is a rephrasing of
a question I asked yesterday.

LayerPanelItem.xaml:

<ItemsControl x:Class="Controls.LayerPanelItem"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <StackPanel>
        <TextBlock>Header</TextBlock>
        <StackPanel Name="InnerContent">
            <!-- Test 1 and Test 2 should go here. -->
        </StackPanel>
    </StackPanel>

</ItemsControl>

Main.xaml:

<controls:LayerPanelItem>
    <TextBlock>Test 1</TextBlock>
    <TextBlock>Test 2</TextBlock>
</controls:LayerPanelItem>

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且行且努力 2024-08-28 18:50:30

如果我理解正确，您需要更多 HeaderedItemsControl。 Expander 派生自 HeaderedContentControl，并添加了 ItemsControl 行为：

<HeaderedItemsControl x:Class="WpfApplication1.LayerPanelItem"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <HeaderedItemsControl.Template>
        <ControlTemplate TargetType="{x:Type HeaderedItemsControl}">
            <StackPanel>
                <ContentPresenter ContentSource="Header"/>
                <ItemsPresenter/>
            </StackPanel>
        </ControlTemplate>
    </HeaderedItemsControl.Template>
    <HeaderedItemsControl.Header>
        <StackPanel>
            <TextBlock>Header</TextBlock>
            <TextBlock>Other stuff...</TextBlock>
        </StackPanel>
    </HeaderedItemsControl.Header>
</HeaderedItemsControl>

If I'm understanding you correctly, you want more of a HeaderedItemsControl. Expander derives from HeaderedContentControl and this adds in the ItemsControl behavior to that:

<HeaderedItemsControl x:Class="WpfApplication1.LayerPanelItem"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <HeaderedItemsControl.Template>
        <ControlTemplate TargetType="{x:Type HeaderedItemsControl}">
            <StackPanel>
                <ContentPresenter ContentSource="Header"/>
                <ItemsPresenter/>
            </StackPanel>
        </ControlTemplate>
    </HeaderedItemsControl.Template>
    <HeaderedItemsControl.Header>
        <StackPanel>
            <TextBlock>Header</TextBlock>
            <TextBlock>Other stuff...</TextBlock>
        </StackPanel>
    </HeaderedItemsControl.Header>
</HeaderedItemsControl>

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