如何自定义WPF StatusBar布局?

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问题描述

向WPF StatusBar添加多个孩子会导致布局不佳，几乎没有自定义选项.例如，这段代码:

Adding more than one child to a WPF StatusBar results in poor layout with little option to customize. For example, this code:

<Window x:Class="StatusBar.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <DockPanel>
        <StatusBar DockPanel.Dock="Bottom">
            <StatusBarItem>
                <TextBlock>Ready</TextBlock>
            </StatusBarItem>
            <StatusBarItem>
                <TextBlock>Set</TextBlock>
            </StatusBarItem>
        </StatusBar>

        <Label>Main Content</Label>
    </DockPanel>
</Window>

结果:

这不是理想的布局，因为设置"被紧紧压在就绪"上.

This is not the ideal layout, since the "Set" is squeezed right up against the "Ready".

如何完全控制WPF StatusBar控件的布局?

How do I gain full control over the layout of the WPF StatusBar control?

推荐答案

默认情况下，StatusBar使用DockPanel定位其子级.这对于一件商品来说效果很好，但在与一个以上的孩子一起工作时，往往会使事情变得混乱和不便.

By default, the StatusBar uses a DockPanel to position its children. This works fine for one item, but tends to make things messy and inconvenient when working with more than one child.

要获得对状态栏子项位置的高度控制，可以将DockPanel换成Grid:

To gain a high level of control over the positioning of status bar children, you can swap out the DockPanel for a Grid:

<Window x:Class="StatusBar.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <DockPanel>
        <StatusBar DockPanel.Dock="Bottom">
            <StatusBar.ItemsPanel>
                <ItemsPanelTemplate>
                    <Grid>
                        <Grid.RowDefinitions>
                            <RowDefinition Height="*"/>
                        </Grid.RowDefinitions>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="4*"/>
                            <ColumnDefinition Width="Auto"/>
                            <ColumnDefinition Width="*"/>
                            <ColumnDefinition Width="*"/>
                        </Grid.ColumnDefinitions>
                    </Grid>
                </ItemsPanelTemplate>
            </StatusBar.ItemsPanel>
            <StatusBarItem>
                <TextBlock>Ready</TextBlock>
            </StatusBarItem>
            <StatusBarItem Grid.Column="1">
                <ProgressBar Value="30" Width="80" Height="18"/>
            </StatusBarItem>
            <StatusBarItem Grid.Column="2">
                <TextBlock>Set</TextBlock>
            </StatusBarItem>
            <StatusBarItem Grid.Column="3">
                <TextBlock>Go!</TextBlock>
            </StatusBarItem>
        </StatusBar>

        <Label>Main Content</Label>
    </DockPanel>
</Window>

结果是:

有关更深入的讨论，请访问我的博客文章此处.

For a more in-depth discussion, please visit my blog post here.

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