C# ListBox.SelectedItem
我有一个C# ListBox.SelectedItem,c#,xaml,C#,Xaml,我有一个列表框,其中的项目填充了文本框es。从列表框中进行选择时,如何识别所选的文本字符串。下面是我的列表框的XAML代码: <StackPanel x:Name="InputPanel" Orientation="Horizontal" HorizontalAlignment="Left"> <StackPanel> <TextBlock Text="Input" Style="{StaticResource H2Style}"/>
列表框
,其中的项目填充了文本框
es。从列表框中进行选择时,如何识别所选的文本字符串。下面是我的列表框的XAML代码
:
<StackPanel x:Name="InputPanel" Orientation="Horizontal" HorizontalAlignment="Left">
<StackPanel>
<TextBlock Text="Input" Style="{StaticResource H2Style}"/>
<TextBlock Text="Select Scenario:" Style="{StaticResource H3Style}"/>
<ListBox x:Name="ScenarioList" Margin="0,0,20,0" HorizontalAlignment="Left" SelectionChanged="ScenarioList_SelectionChanged">
<ListBox.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Name}"/>
</DataTemplate>
</ListBox.ItemTemplate>
<ListBoxItem x:Name="Scenario1">
<TextBlock Style="{StaticResource ListBoxTextStyle}" Text="1) Pick a single photo" />
</ListBoxItem>
<ListBoxItem x:Name="Scenario2">
<TextBlock Style="{StaticResource ListBoxTextStyle}" Text="2) Pick multiple files" />
</ListBoxItem>
<ListBoxItem x:Name="Scenario3">
<TextBlock Style="{StaticResource ListBoxTextStyle}" Text="3) Pick a folder" />
</ListBoxItem>
<ListBoxItem x:Name="Scenario4">
<TextBlock Style="{StaticResource ListBoxTextStyle}" Text="4) Save a file" />
</ListBoxItem>
</ListBox>
</StackPanel>
或者,您可以在选择更改事件上尝试此选项
private void ScenarioList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (((ListBox)sender).SelectedItem != null)
MessageBox.Show("You have selected " + (ListBox)sender).SelectedItem);
}
你可以这样做:
var selectedText = ((TextBlock)((ListBoxItem)ScenarioList.SelectedItem).Content).Text
您也可以从SelectionChangedEventArgs获得它,例如:
public void ScenarioList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var item = e.AddedItems[0] as ListBoxItem;
var selectedText = ((TextBlock)item.Content).Text;
}
内森,谢谢,这是票。工作起来很有魅力。洛萨·帕伦斯,我得研究一下才能理解。再次感谢。
var selectedText = ((TextBlock)((ListBoxItem)ScenarioList.SelectedItem).Content).Text
public void ScenarioList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var item = e.AddedItems[0] as ListBoxItem;
var selectedText = ((TextBlock)item.Content).Text;
}