随着我的深入，WPF ContextMenu的MenuItems设计发生了变化
我想要覆盖其风格的ContextMenu。
这是它的样子：
所有SubMenus应该与第一个相同（具有白色突出显示背景）
这是XAML：
<ContextMenu>
<MenuItem Header="blabla">
<MenuItem Header="Lol"/>
<MenuItem Header="blabla">
<MenuItem Header="Lol"/>
<MenuItem Header="blabla">
<MenuItem Header="Lol"/>
<MenuItem Header="blabla">
<MenuItem Header="Lol"/>
</MenuItem>
</MenuItem>
</MenuItem>
</MenuItem>
<MenuItem Header="Lol"/>
</ContextMenu>
这是我ContextMenu的风格：
<SolidColorBrush x:Key="ContextMenuMenuItemBackground" Color="Transparent"/>
<SolidColorBrush x:Key="ContextMenuSubMenuBorderBrush" Color="#CCCEDB"/>
<SolidColorBrush x:Key="ContextMenuSubMenuBackground" Color="#F6F6F6"/>
<Color x:Key="ContextMenuSubMenuDropShadowColor">#808080</Color>
<SolidColorBrush x:Key="ContextMenuTransitionBackground" Color="#E7E8EC"/>
<SolidColorBrush x:Key="ContextMenuMenuItemHighlightedBackground" Color="#EFEFF2"/>
<SolidColorBrush x:Key="ContextMenuSubmenuItemBackground" Color="Transparent"/>
<SolidColorBrush x:Key="ContextMenuSubmenuItemBackgroundHighlighted" Color="#FFFFFF"/>
<SolidColorBrush x:Key="ContextMenuArrowPanelBackgroundHighlighted" Color="#007ACC"/>
<SolidColorBrush x:Key="ContextMenuMenuDisabledForeground" Color="#A2A4A5"/>
<Style TargetType="{x:Type ContextMenu}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ContextMenu}">
<Grid Margin="0,0,5,5">
<Border x:Name="SubMenuBorder" BorderBrush="#CCCEDB" BorderThickness="1" Background="#F6F6F6" SnapsToDevicePixels="True" Padding="2">
<StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Cycle" />
<Border.Effect>
<DropShadowEffect Color="#808080" Opacity="0.60" ShadowDepth="3"/>
</Border.Effect>
</Border>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
<Setter Property="ItemContainerStyle">
<Setter.Value>
<Style TargetType="{x:Type MenuItem}">
<Setter Property="Foreground" Value="{Binding Path=Foreground, RelativeSource={RelativeSource AncestorType={x:Type Menu}}}"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type MenuItem}">
<!--Border 1-->
<Border x:Name="Border" Background="{StaticResource ContextMenuMenuItemBackground}" BorderThickness="1" SnapsToDevicePixels="True">
<Grid x:Name="Grid">
<Grid.ColumnDefinitions>
<ColumnDefinition x:Name="Col0" MinWidth="17" Width="Auto" SharedSizeGroup="MenuItemIconColumnGroup"/>
<ColumnDefinition Width="Auto" SharedSizeGroup="MenuTextColumnGroup"/>
<ColumnDefinition Width="Auto" SharedSizeGroup="MenuItemIGTColumnGroup"/>
<ColumnDefinition x:Name="Col3" Width="14"/>
</Grid.ColumnDefinitions>
<ContentPresenter Grid.Column="0" x:Name="Icon" VerticalAlignment="Center" ContentSource="Icon"/>
<ContentPresenter Grid.Column="1" Margin="{TemplateBinding Padding}" x:Name="HeaderHost" RecognizesAccessKey="True" ContentSource="Header" VerticalAlignment="Center"/>
<ContentPresenter Grid.Column="2" Margin="8,1,8,1" x:Name="IGTHost" ContentSource="InputGestureText" VerticalAlignment="Center"/>
<Grid Grid.Column="3" Margin="4,0,6,0" x:Name="ArrowPanel" VerticalAlignment="Center">
<Path x:Name="ArrowPanelPath" HorizontalAlignment="Right" VerticalAlignment="Center" Fill="{TemplateBinding Foreground}" Data="M0,0 L0,8 L4,4 z"/>
</Grid>
<Popup IsOpen="{Binding Path=IsSubmenuOpen, RelativeSource={RelativeSource TemplatedParent}}" Placement="Right" HorizontalOffset="-1" x:Name="SubMenuPopup" Focusable="False" PopupAnimation="{DynamicResource {x:Static SystemParameters.MenuPopupAnimationKey}}" AllowsTransparency="True">
<Grid Margin="0,0,5,5">
<!--Border 2-->
<Border x:Name="SubMenuBorder" BorderBrush="{StaticResource ContextMenuSubMenuBorderBrush}" BorderThickness="1" Background="{StaticResource ContextMenuSubMenuBackground}" SnapsToDevicePixels="True">
<Grid x:Name="SubMenu" Grid.IsSharedSizeScope="True" Margin="2">
<StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Cycle"/>
</Grid>
<Border.Effect>
<DropShadowEffect Color="{StaticResource ContextMenuSubMenuDropShadowColor}" Opacity="0.60" ShadowDepth="3"/>
</Border.Effect>
</Border>
<!--Border 3-->
<Border Margin="1,0,0,0" x:Name="TransitionBorder" BorderBrush="{StaticResource ContextMenuTransitionBackground}" BorderThickness="1" Background="{StaticResource ContextMenuTransitionBackground}" SnapsToDevicePixels="True" Width="0" Height="2" HorizontalAlignment="Left" VerticalAlignment="Top" />
</Grid>
</Popup>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Role" Value="TopLevelHeader">
<Setter Property="Padding" Value="6,0,6,2"/>
<Setter TargetName="SubMenuPopup" Property="Placement" Value="Bottom"/>
<Setter TargetName="Col0" Property="MinWidth" Value="0"/>
<Setter TargetName="Col3" Property="Width" Value="Auto"/>
<Setter TargetName="Icon" Property="Visibility" Value="Collapsed"/>
<Setter TargetName="IGTHost" Property="Visibility" Value="Collapsed" />
<Setter TargetName="ArrowPanel" Property="Visibility" Value="Collapsed"/>
<Setter TargetName="SubMenuBorder" Property="BorderThickness" Value="1,1,1,1"/>
<Setter TargetName="SubMenu" Property="Margin" Value="2,3,2,2"/>
<Setter TargetName="TransitionBorder" Property="Width" Value="{Binding ActualWidth, ElementName=Grid}"/>
</Trigger>
<Trigger Property="Role" Value="TopLevelItem">
<Setter Property="Padding" Value="6,0,6,2"/>
<Setter TargetName="Col0" Property="MinWidth" Value="0"/>
<Setter TargetName="Col3" Property="Width" Value="Auto"/>
<Setter TargetName="Icon" Property="Visibility" Value="Collapsed"/>
<Setter TargetName="IGTHost" Property="Visibility" Value="Collapsed"/>
<Setter TargetName="ArrowPanel" Property="Visibility" Value="Collapsed"/>
</Trigger>
<Trigger Property="Role" Value="SubmenuHeader">
<Setter Property="DockPanel.Dock" Value="Top"/>
<Setter Property="Padding" Value="10,3,0,3"/>
<Setter TargetName="Border" Property="MinHeight" Value="22"/>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuSubmenuItemBackground}"/>
</Trigger>
<Trigger Property="Role" Value="SubmenuItem">
<Setter Property="DockPanel.Dock" Value="Top"/>
<Setter Property="Padding" Value="10,3,0,3"/>
<Setter TargetName="Border" Property="MinHeight" Value="22"/>
<Setter TargetName="ArrowPanel" Property="Visibility" Value="Collapsed"/>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuSubmenuItemBackground}"/>
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsHighlighted" Value="True"/>
<Condition Property="Role" Value="TopLevelHeader"/>
</MultiTrigger.Conditions>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuMenuItemHighlightedBackground}"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsHighlighted" Value="True"/>
<Condition Property="Role" Value="TopLevelItem"/>
</MultiTrigger.Conditions>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuMenuItemHighlightedBackground}"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsHighlighted" Value="True"/>
<Condition Property="Role" Value="SubmenuHeader"/>
</MultiTrigger.Conditions>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuSubmenuItemBackgroundHighlighted}"/>
<Setter TargetName="ArrowPanelPath" Property="Fill" Value="{StaticResource ContextMenuArrowPanelBackgroundHighlighted}"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsHighlighted" Value="True"/>
<Condition Property="Role" Value="SubmenuItem"/>
</MultiTrigger.Conditions>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuSubmenuItemBackgroundHighlighted}"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSubmenuOpen" Value="True"/>
<Condition Property="Role" Value="TopLevelHeader"/>
</MultiTrigger.Conditions>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuSubmenuItemBackground}"/>
<Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource ContextMenuSubMenuBorderBrush}"/>
</MultiTrigger>
<Trigger Property="Icon" Value="{x:Null}">
<Setter TargetName="Icon" Property="Visibility" Value="Collapsed"/>
</Trigger>
<Trigger Property="IsEnabled" Value="False">
<Setter Property="Foreground" Value="{StaticResource ContextMenuMenuDisabledForeground}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Setter.Value>
</Setter>
</Style>
这里有什么问题？
为什么会这样？
1 个答案:
答案 0 :(得分：1)
我让它工作但只是直接使用你的MenuItem Style。除了
<Style TargetType="{x:Type MenuItem}">
<Setter Property="Foreground" Value="{Binding Path=Foreground, RelativeSource={RelativeSource AncestorType={x:Type Menu}}}"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type MenuItem}">
<!--Border 1-->
<Border x:Name="Border" Background="{StaticResource ContextMenuMenuItemBackground}" BorderThickness="1" SnapsToDevicePixels="True">
<Grid x:Name="Grid">
<Grid.ColumnDefinitions>
<ColumnDefinition x:Name="Col0" MinWidth="17" Width="Auto" SharedSizeGroup="MenuItemIconColumnGroup"/>
<ColumnDefinition Width="Auto" SharedSizeGroup="MenuTextColumnGroup"/>
<ColumnDefinition Width="Auto" SharedSizeGroup="MenuItemIGTColumnGroup"/>
<ColumnDefinition x:Name="Col3" Width="14"/>
</Grid.ColumnDefinitions>
<ContentPresenter Grid.Column="0" x:Name="Icon" VerticalAlignment="Center" ContentSource="Icon"/>
<ContentPresenter Grid.Column="1" Margin="{TemplateBinding Padding}" x:Name="HeaderHost" RecognizesAccessKey="True" ContentSource="Header" VerticalAlignment="Center"/>
<ContentPresenter Grid.Column="2" Margin="8,1,8,1" x:Name="IGTHost" ContentSource="InputGestureText" VerticalAlignment="Center"/>
<Grid Grid.Column="3" Margin="4,0,6,0" x:Name="ArrowPanel" VerticalAlignment="Center">
<Path x:Name="ArrowPanelPath" HorizontalAlignment="Right" VerticalAlignment="Center" Fill="{TemplateBinding Foreground}" Data="M0,0 L0,8 L4,4 z"/>
</Grid>
<Popup IsOpen="{Binding Path=IsSubmenuOpen, RelativeSource={RelativeSource TemplatedParent}}" Placement="Right" HorizontalOffset="-1" x:Name="SubMenuPopup" Focusable="False" PopupAnimation="{DynamicResource {x:Static SystemParameters.MenuPopupAnimationKey}}" AllowsTransparency="True">
<Grid Margin="0,0,5,5">
<!--Border 2-->
<Border x:Name="SubMenuBorder" BorderBrush="{StaticResource ContextMenuSubMenuBorderBrush}" BorderThickness="1" Background="{StaticResource ContextMenuSubMenuBackground}" SnapsToDevicePixels="True">
<Grid x:Name="SubMenu" Grid.IsSharedSizeScope="True" Margin="2">
<StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Cycle"/>
</Grid>
<Border.Effect>
<DropShadowEffect Color="{StaticResource ContextMenuSubMenuDropShadowColor}" Opacity="0.60" ShadowDepth="3"/>
</Border.Effect>
</Border>
<!--Border 3-->
<Border Margin="1,0,0,0" x:Name="TransitionBorder" BorderBrush="{StaticResource ContextMenuTransitionBackground}" BorderThickness="1" Background="{StaticResource ContextMenuTransitionBackground}" SnapsToDevicePixels="True" Width="0" Height="2" HorizontalAlignment="Left" VerticalAlignment="Top" />
</Grid>
</Popup>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Role" Value="TopLevelHeader">
<Setter Property="Padding" Value="6,0,6,2"/>
<Setter TargetName="SubMenuPopup" Property="Placement" Value="Bottom"/>
<Setter TargetName="Col0" Property="MinWidth" Value="0"/>
<Setter TargetName="Col3" Property="Width" Value="Auto"/>
<Setter TargetName="Icon" Property="Visibility" Value="Collapsed"/>
<Setter TargetName="IGTHost" Property="Visibility" Value="Collapsed" />
<Setter TargetName="ArrowPanel" Property="Visibility" Value="Collapsed"/>
<Setter TargetName="SubMenuBorder" Property="BorderThickness" Value="1,1,1,1"/>
<Setter TargetName="SubMenu" Property="Margin" Value="2,3,2,2"/>
<Setter TargetName="TransitionBorder" Property="Width" Value="{Binding ActualWidth, ElementName=Grid}"/>
</Trigger>
<Trigger Property="Role" Value="TopLevelItem">
<Setter Property="Padding" Value="6,0,6,2"/>
<Setter TargetName="Col0" Property="MinWidth" Value="0"/>
<Setter TargetName="Col3" Property="Width" Value="Auto"/>
<Setter TargetName="Icon" Property="Visibility" Value="Collapsed"/>
<Setter TargetName="IGTHost" Property="Visibility" Value="Collapsed"/>
<Setter TargetName="ArrowPanel" Property="Visibility" Value="Collapsed"/>
</Trigger>
<Trigger Property="Role" Value="SubmenuHeader">
<Setter Property="DockPanel.Dock" Value="Top"/>
<Setter Property="Padding" Value="10,3,0,3"/>
<Setter TargetName="Border" Property="MinHeight" Value="22"/>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuSubmenuItemBackground}"/>
</Trigger>
<Trigger Property="Role" Value="SubmenuItem">
<Setter Property="DockPanel.Dock" Value="Top"/>
<Setter Property="Padding" Value="10,3,0,3"/>
<Setter TargetName="Border" Property="MinHeight" Value="22"/>
<Setter TargetName="ArrowPanel" Property="Visibility" Value="Collapsed"/>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuSubmenuItemBackground}"/>
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsHighlighted" Value="True"/>
<Condition Property="Role" Value="TopLevelHeader"/>
</MultiTrigger.Conditions>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuMenuItemHighlightedBackground}"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsHighlighted" Value="True"/>
<Condition Property="Role" Value="TopLevelItem"/>
</MultiTrigger.Conditions>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuMenuItemHighlightedBackground}"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsHighlighted" Value="True"/>
<Condition Property="Role" Value="SubmenuHeader"/>
</MultiTrigger.Conditions>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuSubmenuItemBackgroundHighlighted}"/>
<Setter TargetName="ArrowPanelPath" Property="Fill" Value="{StaticResource ContextMenuArrowPanelBackgroundHighlighted}"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsHighlighted" Value="True"/>
<Condition Property="Role" Value="SubmenuItem"/>
</MultiTrigger.Conditions>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuSubmenuItemBackgroundHighlighted}"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSubmenuOpen" Value="True"/>
<Condition Property="Role" Value="TopLevelHeader"/>
</MultiTrigger.Conditions>
<Setter TargetName="Border" Property="Background" Value="{StaticResource ContextMenuSubmenuItemBackground}"/>
<Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource ContextMenuSubMenuBorderBrush}"/>
</MultiTrigger>
<Trigger Property="Icon" Value="{x:Null}">
<Setter TargetName="Icon" Property="Visibility" Value="Collapsed"/>
</Trigger>
<Trigger Property="IsEnabled" Value="False">
<Setter Property="Foreground" Value="{StaticResource ContextMenuMenuDisabledForeground}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
（我离开了画笔......）
仅将其应用于相关的上下文菜单...
<ContextMenu>
<ContextMenu.Resources>
<Style TargetType="{x:Type MenuItem}">
<Setter Property="Foreground" Value="{Binding Path=Foreground, RelativeSource={RelativeSource AncestorType={x:Type Menu}}}"/>
......
</Style>
</ContextMenu.Resources>
<MenuItem Header="blabla">
<MenuItem Header="Lol"/>
<MenuItem Header="blabla">
<MenuItem Header="Lol"/>
<MenuItem Header="blabla">
<MenuItem Header="Lol"/>
<MenuItem Header="blabla">
<MenuItem Header="Lol"/>
</MenuItem>
</MenuItem>
</MenuItem>
</MenuItem>
<MenuItem Header="Lol"/>
</ContextMenu>
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