动态隐藏 WPF TabItem
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Dynamically hide a WPF TabItem
提问by hardywang
Let's say I have a very simple XAML
假设我有一个非常简单的 XAML
<Window x:Class="WpfApplication2.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfApplication2"
mc:Ignorable="d"
Title="MainWindow" Height="350" Width="525">
<StackPanel>
<TabControl>
<TabItem Header="Tab 1" Visibility="Hidden">
<TextBlock>shfsdjkfhksh jkfhd sfjdklh sfjdkh fjdkh fdjhf </TextBlock>
</TabItem>
<TabItem Header="Tab 2" Visibility="Hidden">
<TextBlock>3807689vthvybhgthugbbjgkngoebt4uibn54</TextBlock>
</TabItem>
</TabControl>
</StackPanel>
</Window>
If I just set TabItem's visibility to hidden, the content inside that tab does not hide.
如果我只是将TabItem的可见性设置为隐藏，则该选项卡内的内容不会隐藏。
Is there a way to hide tab header and its content together?
有没有办法将标签页头及其内容隐藏在一起？
采纳答案by HoboCannibaL
You can do that by binding the Visibility to the parent control. If you are using a view model, you can bind the visibility to a property in your view model and use the property for both the TabItem and TextBlock.
您可以通过将 Visibility 绑定到父控件来做到这一点。如果您使用的是视图模型，则可以将可见性绑定到视图模型中的属性，并将该属性用于 TabItem 和 TextBlock。
<StackPanel>
<TabControl>
<TabItem x:Name="tab1" Header="Tab 1" Visibility="Hidden">
<TextBlock Visibility="{Binding Path=Visibility, ElementName=tab1}">shfsdjkfhksh jkfhd sfjdklh sfjdkh fjdkh fdjhf</TextBlock>
</TabItem>
</TabControl>
</StackPanel>
回答by Guttsy
If you set Visibilityto Hiddenfor the selected/active tab, you'll need to select a different tab, e.g.
如果您为选定/活动选项卡设置Visibility为Hidden，则需要选择不同的选项卡，例如
<StackPanel>
<TabControl>
<TabItem x:Name="T1" Header="Tab 1" Visibility="Hidden" >
<TextBlock>1111111111111111111</TextBlock>
</TabItem>
<TabItem x:Name="T2" Header="Tab 2" IsSelected="True">
<TextBlock>22222222222222222222222</TextBlock>
</TabItem>
</TabControl>
</StackPanel>
You do not need to hide the content of the TabItemprovided that the TabItemis hidden and unselected.
你并不需要隐藏的内容TabItem所提供的TabItem是隐藏的，不选。
