我在 SubSection 中有一个 Clickable-Gridview：
<HubSection >
<DataTemplate>
<GridView IsItemClickEnabled="True" ItemClick="Hub_OnClick">
<RelativePanel >
<TextBlock Text="NiceText" />
</RelativePanel>
</GridView>
</DataTemplate>
</HubSection>
现在，每次我单击该中心时，GridView（SelectedBackground）周围都会出现蓝色边框。
在 LiveVisualTree 中，它向我显示，边框来自 GridViewItem 内的“ListViewItemPresenter”控件。因此，我修改了原始控件的样式并将其粘贴到 Page.Resources 标记中。
<!-- Default style for Windows.UI.Xaml.Controls.ListViewItem -->
<Style TargetType="ListViewItem">
<Setter Property="FontFamily" Value="{ThemeResource ContentControlThemeFontFamily}" />
<Setter Property="FontSize" Value="{ThemeResource ControlContentThemeFontSize}" />
<Setter Property="Background" Value="Transparent"/>
<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="{ThemeResource ListViewItemMinWidth}"/>
<Setter Property="MinHeight" Value="{ThemeResource ListViewItemMinHeight}"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListViewItem">
<ListViewItemPresenter
ContentTransitions="{TemplateBinding ContentTransitions}"
SelectionCheckMarkVisualEnabled="True"
CheckBrush="{ThemeResource SystemControlForegroundBaseMediumHighBrush}"
CheckBoxBrush="{ThemeResource SystemControlForegroundBaseMediumHighBrush}"
DragBackground="{ThemeResource ListViewItemDragBackgroundThemeBrush}"
DragForeground="{ThemeResource ListViewItemDragForegroundThemeBrush}"
FocusBorderBrush="{ThemeResource SystemControlForegroundAltHighBrush}"
FocusSecondaryBorderBrush="{ThemeResource SystemControlForegroundBaseHighBrush}"
PlaceholderBackground="{ThemeResource ListViewItemPlaceholderBackgroundThemeBrush}"
PointerOverBackground="{ThemeResource SystemControlHighlightListLowBrush}"
PointerOverForeground="{ThemeResource SystemControlHighlightAltBaseHighBrush}"
<!-- here -->
SelectedBackground="White"
SelectedForeground="{ThemeResource SystemControlHighlightAltBaseHighBrush}"
SelectedPointerOverBackground="{ThemeResource SystemControlHighlightListAccentMediumBrush}"
PressedBackground="{ThemeResource SystemControlHighlightListMediumBrush}"
SelectedPressedBackground="{ThemeResource SystemControlHighlightListAccentHighBrush}"
DisabledOpacity="{ThemeResource ListViewItemDisabledThemeOpacity}"
DragOpacity="{ThemeResource ListViewItemDragThemeOpacity}"
ReorderHintOffset="{ThemeResource ListViewItemReorderHintThemeOffset}"
HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
ContentMargin="{TemplateBinding Padding}"
CheckMode="Inline"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
但这对我不起作用。 SelectedBackground-Border 仍然是蓝色的。但为什么？我的错误在哪里？
你应该覆盖GridViewItem样式并设置新样式GridView。在页面资源中声明您的新样式：
<Page.Resources>
<Style TargetType="GridViewItem" x:Key="CustomGridViewStyle">
<Setter Property="FontFamily" Value="{ThemeResource ContentControlThemeFontFamily}" />
<Setter Property="FontSize" Value="{ThemeResource ControlContentThemeFontSize}" />
<Setter Property="Background" Value="Transparent"/>
<Setter Property="Foreground" Value="{ThemeResource SystemControlForegroundBaseHighBrush}" />
<Setter Property="TabNavigation" Value="Local"/>
<Setter Property="IsHoldingEnabled" Value="True"/>
<Setter Property="HorizontalContentAlignment" Value="Center"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Margin" Value="0,0,4,4"/>
<Setter Property="MinWidth" Value="{ThemeResource GridViewItemMinWidth}"/>
<Setter Property="MinHeight" Value="{ThemeResource GridViewItemMinHeight}"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="GridViewItem">
<ListViewItemPresenter
ContentTransitions="{TemplateBinding ContentTransitions}"
SelectionCheckMarkVisualEnabled="True"
CheckBrush="{ThemeResource SystemControlForegroundBaseMediumHighBrush}"
CheckBoxBrush="{ThemeResource SystemControlBackgroundChromeMediumBrush}"
DragBackground="{ThemeResource ListViewItemDragBackgroundThemeBrush}"
DragForeground="{ThemeResource ListViewItemDragForegroundThemeBrush}"
FocusBorderBrush="{ThemeResource SystemControlForegroundAltHighBrush}"
FocusSecondaryBorderBrush="{ThemeResource SystemControlForegroundBaseHighBrush}"
PlaceholderBackground="{ThemeResource ListViewItemPlaceholderBackgroundThemeBrush}"
PointerOverBackground="{ThemeResource SystemControlHighlightListLowBrush}"
PointerOverForeground="{ThemeResource SystemControlForegroundBaseHighBrush}"
SelectedBackground="Transparent"
SelectedForeground="{ThemeResource SystemControlForegroundBaseHighBrush}"
SelectedPointerOverBackground="{ThemeResource SystemControlHighlightListAccentMediumBrush}"
PressedBackground="{ThemeResource SystemControlHighlightListMediumBrush}"
SelectedPressedBackground="{ThemeResource SystemControlHighlightListAccentHighBrush}"
DisabledOpacity="{ThemeResource ListViewItemDisabledThemeOpacity}"
DragOpacity="{ThemeResource ListViewItemDragThemeOpacity}"
ReorderHintOffset="{ThemeResource GridViewItemReorderHintThemeOffset}"
HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
ContentMargin="{TemplateBinding Padding}"
CheckMode="Overlay"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Page.Resources>
并设置：
<HubSection >
<DataTemplate>
<GridView IsItemClickEnabled="True"
ItemClick="Hub_OnClick"
ItemContainerStyle="{StaticResource CustomGridViewStyle}">
<RelativePanel >
<TextBlock Text="NiceText" />
</RelativePanel>
</GridView>
</DataTemplate>
</HubSection>
附注您还可以覆盖扩展样式 https://msdn.microsoft.com/en-us/library/windows/apps/mt299127.aspx
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