[英]What is the point of the StatusBarItem class in WPF?
How is the StatusBarItem
class supposed to be used? 应该如何使用StatusBarItem
类? Is every element in a StatusBar
's content supposed to be wrapped with it? StatusBar
的内容中的每个元素都应该用它包裹吗?
I don't really understand how StatusBarItem
affects the StatusBar
layout. 我真的不明白StatusBarItem
如何影响StatusBar
布局。 It seems like I can use HorizontalAlignment
on a StatusBarItem
, but not when I put the element in the StatusBar
directly: 看起来我可以在StatusBarItem
上使用HorizontalAlignment
,但是当我直接将该元素放入StatusBar
:
<StatusBar>
<TextBlock HorizontalAlignment="Right" Text="Not right" />
<StatusBarItem HorizontalAlignment="Center">
<TextBlock Text="Center" />
</StatusBarItem>
</StatusBar>
Also if you wrap a Separator
in a StatusBarItem
the Separator
changes to horizontal. 此外,如果将Separator
包装在StatusBarItem
则Separator
将更改为水平。 Separator
s default to vertical when put in the StatusBar
directly without a StatusBarItem
wrapper. 在没有StatusBarItem
包装Separator
的情况下直接放入StatusBar
时, Separator
默认为垂直。
A StatusBar
is an ItemsControl
. StatusBar
是ItemsControl
。 All ItemsControl
s have a container class. 所有ItemsControl
都有一个容器类。 For ListBox
es, it's ListBoxItem
. 对于ListBox
,它是ListBoxItem
。 For StatusBar
, it's StatusBarItem
. 对于StatusBar
,它是StatusBarItem
。 If you don't explicitly wrap your item in a StatusBarItem
, it will be implicitly wrapped in one for you. 如果您没有在StatusBarItem
明确地包装您的项目,那么它将隐式包装在一个中。
If you need to set properties of an ItemsControl
's containers, you can use the ItemContainerStyle
property: 如果需要设置ItemsControl
容器的属性,可以使用ItemContainerStyle
属性:
<StatusBar>
<TextBlock>One</TextBlock>
<TextBlock>Two</TextBlock>
<TextBlock>Three</TextBlock>
<StatusBar.ItemContainerStyle>
<Style TargetType="StatusBarItem">
<Setter Property="HorizontalAlignment" Value="Right"/>
</Style>
</StatusBar.ItemContainerStyle>
</StatusBar>
Finally, note that the StatusBar
uses a DockPanel
by default to lay out its children. 最后,请注意, StatusBar
默认使用DockPanel
来布局其子项。 This can be frustrating when you're doing intricate layouts. 当您进行错综复杂的布局时,这可能令人沮丧。 See my blog post here on how to swap it out for a Grid
. 请参见我的博客文章在这里就如何将其交换出去Grid
。
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