我的UWP-Application中的ListView出现问题。当第一次选择一个项目时，在MouseOver结束之后它的VisualState会改变为“Selected”，但是当我第二次选择它时，在我选择了另一个项目之后，它甚至在MouseOver之后仍然保持VisualState“Pressed”直到我选择下一个项目。所以我的Item只切换到所需的VisualState一次，以便在会话的其余部分使用此状态。 这可能是造成这种行为的原因，这可能是UWP的独特之处，因为我不记得曾经见过这样的事情。
这是我的ListView，因为我现在在Xaml中使用它：
<ListView IsItemClickEnabled="True"
Grid.Row="1"
Grid.Column="1"
ScrollViewer.VerticalScrollMode="Auto"
ScrollViewer.VerticalScrollBarVisibility="Auto"
ItemsSource="{Binding Path=list, Mode=OneWay}"
ItemTemplate="{StaticResource RepVSmallIcon70ItemTemplate}"
TabIndex="1"
SelectedIndex="{Binding Path=selectedIndex, Mode=TwoWay}"
SelectionChanged="ListView_SelectionChanged"
IsRightTapEnabled="False"
ItemContainerStyle="{StaticResource ListViewItemStyleUWP}"/>
使用此ItemContainerStyle：
<Style x:Key="ListViewItemStyleUWP" TargetType="ListViewItem">
<Setter Property="FontFamily" Value="{ThemeResource ContentControlThemeFontFamily}"/>
<Setter Property="FontSize" Value="{ThemeResource ControlContentThemeFontSize}"/>
<Setter Property="Background" Value="MediumOrchid"/>
<Setter Property="Foreground" Value="{ThemeResource SystemControlForegroundBaseHighBrush}"/>
<Setter Property="TabNavigation" Value="Local"/>
<Setter Property="IsHoldingEnabled" Value="True"/>
<Setter Property="Padding" Value="12,0,12,0"/>
<Setter Property="HorizontalContentAlignment" Value="Left"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="MinWidth" Value="160"/>
<Setter Property="MinHeight" Value="100"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListViewItem">
<Border x:Name="OuterContainer" RenderTransformOrigin="0.5,0.5">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal">
<!-- unselektiert -->
<Storyboard>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="BorderBrush">
<DiscreteObjectKeyFrame KeyTime="0" Value="Orange"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="LightBlue"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Margin">
<DiscreteObjectKeyFrame KeyTime="0" Value="0 0 0 2"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Pressed">
<!-- Klick -->
<Storyboard>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="BorderBrush">
<DiscreteObjectKeyFrame KeyTime="0" Value="Red"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="Blue"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Margin">
<DiscreteObjectKeyFrame KeyTime="0" Value="2 2 2 4"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="SelectionStates">
<VisualState x:Name="Selected">
<!--Selektiert-->
<Storyboard>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="BorderBrush">
<DiscreteObjectKeyFrame KeyTime="0" Value="DarkRed"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="DarkBlue"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Margin">
<DiscreteObjectKeyFrame KeyTime="0" Value="0 0 0 2"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid x:Name="ReorderHintContent" Background="Transparent">
<Border x:Name="ContentContainer">
<Border x:Name="ContentBorder"
Background="LightCyan"
BorderBrush="DarkCyan"
BorderThickness="2">
<Grid>
<ContentPresenter x:Name="contentPresenter"
ContentTransitions="{TemplateBinding ContentTransitions}"
ContentTemplate="{TemplateBinding ContentTemplate}"
Content="{TemplateBinding Content}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
Margin="{TemplateBinding Padding}" />
</Grid>
</Border>
</Border>
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
答案 0 :(得分：0)
ListViewItem styles and templates没有SelectionStates VisualStateGroups。因此，ListViewItem样式无法管理selected井中的SelectionStates视图状态。将Selected VisualState移动到CommonStates VisualStateGroup。它会奏效。
更新后的代码如下：
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListViewItem">
<Border x:Name="OuterContainer" RenderTransformOrigin="0.5,0.5">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal">
<!-- unselektiert -->
<Storyboard>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="BorderBrush">
<DiscreteObjectKeyFrame KeyTime="0" Value="Orange" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="LightBlue" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Margin">
<DiscreteObjectKeyFrame KeyTime="0" Value="0 0 0 2" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Pressed">
<!-- Klick -->
<Storyboard>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="BorderBrush">
<DiscreteObjectKeyFrame KeyTime="0" Value="Red" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="Blue" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Margin">
<DiscreteObjectKeyFrame KeyTime="0" Value="2 2 2 4" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Selected">
<!-- Selektiert -->
<Storyboard>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="BorderBrush">
<DiscreteObjectKeyFrame KeyTime="0" Value="DarkRed" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="DarkBlue" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Duration="0"
Storyboard.TargetName="ContentBorder"
Storyboard.TargetProperty="Margin">
<DiscreteObjectKeyFrame KeyTime="0" Value="0 0 0 2" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid x:Name="ReorderHintContent" Background="Transparent">
<Border x:Name="ContentContainer">
<Border x:Name="ContentBorder"
Background="LightCyan"
BorderBrush="DarkCyan"
BorderThickness="2">
<Grid>
<ContentPresenter x:Name="contentPresenter"
Margin="{TemplateBinding Padding}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
Content="{TemplateBinding Content}"
ContentTemplate="{TemplateBinding ContentTemplate}"
ContentTransitions="{TemplateBinding ContentTransitions}" />
</Grid>
</Border>
</Border>
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>