Uwp 如果样式内的文本框的AcceptsReturn为True,则AutoSuggestBox的行为会有所不同
我有一个简单的Uwp 如果样式内的文本框的AcceptsReturn为True,则AutoSuggestBox的行为会有所不同,uwp,win-universal-app,uwp-xaml,Uwp,Win Universal App,Uwp Xaml,我有一个简单的AutoSuggestBox,通过更改其中TextBox的一些属性来修改其样式。 我已修改的属性,其中AcceptsReturn和MinHeight 下面是样式的修改部分 <Style TargetType="AutoSuggestBox"> <!-- --> <TextBox x:Name="TextBox" Style="{TemplateBinding TextBoxStyle}" PlaceholderText="{Template
AutoSuggestBox
,通过更改其中TextBox
的一些属性来修改其样式。
我已修改的属性,其中AcceptsReturn
和MinHeight
下面是样式的修改部分
<Style TargetType="AutoSuggestBox">
<!-- -->
<TextBox x:Name="TextBox" Style="{TemplateBinding TextBoxStyle}" PlaceholderText="{TemplateBinding PlaceholderText}" Header="{TemplateBinding Header}" Width="{TemplateBinding Width}" AcceptsReturn="True" ScrollViewer.BringIntoViewOnFocusChange="False" Canvas.ZIndex="0" MinHeight="20" Margin="0" DesiredCandidateWindowAlignment="BottomEdge" UseSystemFocusVisuals="{TemplateBinding UseSystemFocusVisuals}" />
<!-- -->
</Style>
这里是我的完整示例代码
<Page
x:Class="TestApplication.MainPage"
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"
mc:Ignorable="d"
Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
<Page.Resources>
<Style TargetType="AutoSuggestBox">
<Setter Property="VerticalAlignment" Value="Top" />
<Setter Property="IsTabStop" Value="False" />
<Setter Property="TextBoxStyle" Value="{StaticResource AutoSuggestBoxTextBoxStyle}" />
<Setter Property="UseSystemFocusVisuals" Value="{ThemeResource IsApplicationFocusVisualKindReveal}" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="AutoSuggestBox">
<Grid x:Name="LayoutRoot">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="Orientation">
<VisualState x:Name="Landscape" />
<VisualState x:Name="Portrait" />
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<TextBox x:Name="TextBox" Style="{TemplateBinding TextBoxStyle}" PlaceholderText="{TemplateBinding PlaceholderText}" Header="{TemplateBinding Header}" Width="{TemplateBinding Width}" AcceptsReturn="True" ScrollViewer.BringIntoViewOnFocusChange="False" Canvas.ZIndex="0" MinHeight="20" Margin="0" DesiredCandidateWindowAlignment="BottomEdge" UseSystemFocusVisuals="{TemplateBinding UseSystemFocusVisuals}" />
<Popup x:Name="SuggestionsPopup">
<Border x:Name="SuggestionsContainer">
<ListView x:Name="SuggestionsList" Background="{ThemeResource AutoSuggestBoxSuggestionsListBackground}" BorderThickness="{ThemeResource AutoSuggestListBorderThemeThickness}" BorderBrush="{ThemeResource AutoSuggestBoxSuggestionsListBorderBrush}" DisplayMemberPath="{TemplateBinding DisplayMemberPath}" IsItemClickEnabled="True" ItemTemplate="{TemplateBinding ItemTemplate}" ItemTemplateSelector="{TemplateBinding ItemTemplateSelector}" ItemContainerStyle="{TemplateBinding ItemContainerStyle}" MaxHeight="{ThemeResource AutoSuggestListMaxHeight}" Margin="{ThemeResource AutoSuggestListMargin}" Padding="{ThemeResource AutoSuggestListPadding}" />
</Border>
</Popup>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Page.Resources>
<StackPanel>
<AutoSuggestBox x:Name="MyAutoSuggestBox" Margin="100" Text="{x:Bind Text, Mode=OneWay}" Width="200"/>
</StackPanel>
</Page>
从这里,它提到我们通常设置AcceptsReturn和TextWrapping属性来创建多行文本框。因此,您可以添加TextWrapping属性,如下所示
如果不想添加TextWrapping属性,可以在Page.Loaded
event中为Text设置一个值。当AutoSuggestBox已加载并指定给Text属性时,它工作正常
<Style TargetType="AutoSuggestBox">
<!-- -->
<TextBox x:Name="TextBox" TextWrapping="Wrap" Style="{TemplateBinding TextBoxStyle}" PlaceholderText="{TemplateBinding PlaceholderText}" Header="{TemplateBinding Header}" Width="{TemplateBinding Width}" AcceptsReturn="True" MinHeight="20" ScrollViewer.BringIntoViewOnFocusChange="False" Canvas.ZIndex="0" Margin="0" DesiredCandidateWindowAlignment="BottomEdge" UseSystemFocusVisuals="{TemplateBinding UseSystemFocusVisuals}" />
<!-- -->
</Style>