c# - Scrollviewer在用户控件WPF中不可见

WPF Scrollviewer在用户控件内不可见。

我正在使用PRISM体系结构。

我在usercontrol中有一个scrollviewer，scrollviewer包含一个stackpanel。

<UserControl x:Class="SomeView"  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
      mc:Ignorable="d" >

     <UserControl.Resources>
     <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
     </UserControl.Resources>

     <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
     <StackPanel>
<TextBlock Text="Initialize" HorizontalAlignment="Center" VerticalAlignment="Center"/>

 <StackPanel Orientation="Horizontal">
 <Label Content="Left"/>

 <ComboBox ItemsSource="{Binding LeftComboItems}"  SelectedItem="{Binding LeftSelectedItem}" />　
 <Label Content="Right"/>
<ComboBox ItemsSource="{Binding RightComboItems}" SelectedItem="{Binding RightSelectedItem}"/>
 <Label/>

<Button Content="Save" Command="{Binding SaveCommand}"/>
 </StackPanel>
 <StackPanel Visibility="{Binding IsVisible,Converter={StaticResource BooleanToVisibilityConverter}}">

 <Grid>

跳过列定义

<StackPanel Grid.Column="1" Grid.ColumnSpan="2">
 <Label Content="Left"  />
 <DataGrid ItemsSource="{Binding LeftDataGrid}" AutoGenerateColumns="False" ColumnWidth="*" Grid.Column="2" >
 <DataGrid.Columns>
 <DataGridTextColumn Header="ID" Binding="{Binding ID}" />
 <DataGridTextColumn Header="Name" Binding="{Binding Name}" />
 </DataGrid.Columns>
 </DataGrid>
 </StackPanel>

 <StackPanel Grid.Column="4" Grid.ColumnSpan="2">
 <Label Content="Left Grid" />
 <DataGrid ItemsSource="{Binding RightDataGrid, Mode=OneWay}" AutoGenerateColumns="False" ColumnWidth="*" CanUserAddRows="False" CanUserDeleteRows="False" >


 <DataGridTextColumn Header="ID" Binding="{Binding id}" />
 <DataGridTextColumn Header="Name" Binding="{Binding Name}"/>

 </DataGrid>
 </StackPanel>

    </StackPanel>
 </Grid>
     </StackPanel>
     </ScrollViewer>

LeftComboItems，RightComboItems是字符串类型的Observable Collections。

最佳答案

卸下StackPanel(使用网格/面板)或为StackPanel设置一些较大的高度。

关于c# - Scrollviewer在用户控件WPF中不可见，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/20849719/