Petit probleme dans un menu WPF

**Nikogram** · 18/11/2009, 17h41

Bonjour, j'ai un petit souci lorsque je veux modifier la couleur d'un menu:

Comme vous pouvez le voir, le menu est noir mais autour c'est blanc. Comment faire pour tout rendre noir sous expression blend (sans l'ecriture et le separateur).
Merci d'avance.

**Thomas Lebrun** · 20/11/2009, 18h02

Hum.. en modifiant le template ou en appliquant un style ?

**Nikogram** · 20/11/2009, 18h12

Je viens de trouver comment faire en manipulant un peu. Il fallait juste utilisé le pot de peinture blend. Merci quand meme ^^.

**Nikogram** · 20/11/2009, 18h38

Enfaite j'ai crié victoire trop vite. Dans expression blend sa s'affiche corectement mais quand je lance mon programme c'est pareil. Donc probleme non resolu. Pourrait tu m'expliquer comment changer de template ou de styles dans blend. Merci.

**bacelar** · 21/11/2009, 11h25

Connais-pas Blend mais il n'y a pas une propriété "Border" sur votre menu ?

**Nikogram** · 21/11/2009, 15h50

Il y'a l'option borderbrush mais pas border tout court. J'ai modifier cette propriété mais ca ne fait pas grand chose.

**bacelar** · 21/11/2009, 18h16

"BorderBrush", il suffit de lui associer une SolidBrush de la couleur voulue, non ?

**ikeas** · 25/11/2009, 14h25

ou alors tu le met a transparent #00xxxxxx
ou la couleur transparente aussi
sinon tu le met a {x:Null }

**Nikogram** · 25/11/2009, 15h54

J'ai essayer mais c'est pas sa non plus. Mes je pense enfaite qu'il faudrai mettre en noir la partie blanche et non pas la mettre transparente. Par contre sa je n'ai pas trouvé comment faire. Si vous pouvez m'aider, merci.

**ikeas** · 25/11/2009, 16h04

tu as essayé d'introspecter avec blend les style et les templates ?

**Nikogram** · 25/11/2009, 16h32

Ben je crois pas. Je debute avec blend en plus. Mais je ne sais pas trop ou aller.

**ikeas** · 25/11/2009, 18h12

tu as quelle blend ?

**Nikogram** · 25/11/2009, 18h31

Expression blend 3.

**ikeas** · 26/11/2009, 03h01

bon
tu selection l'objet dans object and timeline
puis tu vas dans le menu
object > edit Style > edit a copy
puis tu verra en haut dessous l'onglet de ta fenetre tu as une indication avec une petite palette tu vas sur editer le template
ca rajoute le code dans le xaml que tu as choisi quand tu as fait edit style (pour le moment choisi la fenetre)
apres avec le clique droit sur chaque element tu peux a nouveau introspecter et changer les templates

voici que que j'ai obtenu en le faisant

Code :

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<Window
	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	xmlns:Microsoft_Windows_Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Luna"
	x:Class="Design_menu.MainWindow"
	x:Name="Window"
	Title="MainWindow"
	Width="640" Height="480">
 
	<Window.Resources>
		<PathGeometry x:Key="Checkmark" Figures="M0,2 L0,4.8 L2.5,7.4 L7.1,2.8 L7.1,0 L2.5,4.6 z"/>
 
		<ControlTemplate x:Key="{ComponentResourceKey ResourceId=SubmenuItemTemplateKey, TypeInTargetAssembly={x:Type MenuItem}}" TargetType="{x:Type MenuItem}">
			<Border x:Name="Bd" SnapsToDevicePixels="true" Background="Aqua" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}">
				<Grid>
					<Grid.ColumnDefinitions>
						<ColumnDefinition SharedSizeGroup="MenuItemIconColumnGroup" MinWidth="17" Width="Auto"/>
						<ColumnDefinition Width="*"/>
						<ColumnDefinition SharedSizeGroup="MenuItemIGTColumnGroup" Width="Auto"/>
						<ColumnDefinition Width="14"/>
					</Grid.ColumnDefinitions>
					<ContentPresenter x:Name="Icon" Margin="4,0,6,0" VerticalAlignment="Center" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" ContentSource="Icon"/>
					<Path x:Name="GlyphPanel" Fill="{TemplateBinding Foreground}" FlowDirection="LeftToRight" Margin="4,0,6,0" VerticalAlignment="Center" Visibility="Hidden" Data="{StaticResource Checkmark}"/>
					<ContentPresenter Margin="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Grid.Column="1" ContentSource="Header" RecognizesAccessKey="True"/>
					<TextBlock x:Name="InputGestureText" Margin="5,2,0,2" Grid.Column="2" Text="{TemplateBinding InputGestureText}" DockPanel.Dock="Right"/>
				</Grid>
			</Border>
			<ControlTemplate.Triggers>
				<Trigger Property="Icon" Value="{x:Null}">
					<Setter Property="Visibility" TargetName="Icon" Value="Collapsed"/>
				</Trigger>
				<Trigger Property="IsChecked" Value="true">
					<Setter Property="Visibility" TargetName="GlyphPanel" Value="Visible"/>
					<Setter Property="Visibility" TargetName="Icon" Value="Collapsed"/>
				</Trigger>
				<Trigger Property="IsHighlighted" Value="true">
					<Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
					<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/>
				</Trigger>
				<Trigger Property="IsEnabled" Value="false">
					<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
				</Trigger>
			</ControlTemplate.Triggers>
		</ControlTemplate>
		<Style x:Key="MenuScrollButton" BasedOn="{x:Null}" TargetType="{x:Type RepeatButton}">
			<Setter Property="ClickMode" Value="Hover"/>
			<Setter Property="MinWidth" Value="0"/>
			<Setter Property="MinHeight" Value="0"/>
			<Setter Property="Template">
				<Setter.Value>
					<ControlTemplate TargetType="{x:Type RepeatButton}">
						<DockPanel SnapsToDevicePixels="true" Background="Transparent">
							<Rectangle x:Name="R1" Fill="Transparent" Width="1" DockPanel.Dock="Right"/>
							<Rectangle x:Name="B1" Fill="Transparent" Height="1" DockPanel.Dock="Bottom"/>
							<Rectangle x:Name="L1" Fill="Transparent" Width="1" DockPanel.Dock="Left"/>
							<Rectangle x:Name="T1" Fill="Transparent" Height="1" DockPanel.Dock="Top"/>
							<ContentPresenter x:Name="ContentContainer" HorizontalAlignment="Center" Margin="2,2,2,2" VerticalAlignment="Center"/>
						</DockPanel>
						<ControlTemplate.Triggers>
							<Trigger Property="IsPressed" Value="true">
								<Setter Property="Fill" TargetName="R1" Value="{DynamicResource {x:Static SystemColors.ControlLightLightBrushKey}}"/>
								<Setter Property="Fill" TargetName="B1" Value="{DynamicResource {x:Static SystemColors.ControlLightLightBrushKey}}"/>
								<Setter Property="Fill" TargetName="L1" Value="{DynamicResource {x:Static SystemColors.ControlDarkDarkBrushKey}}"/>
								<Setter Property="Fill" TargetName="T1" Value="{DynamicResource {x:Static SystemColors.ControlDarkDarkBrushKey}}"/>
								<Setter Property="Margin" TargetName="ContentContainer" Value="3,3,1,1"/>
							</Trigger>
						</ControlTemplate.Triggers>
					</ControlTemplate>
				</Setter.Value>
			</Setter>
		</Style>
		<Geometry x:Key="UpArrow">M 0,4 L 3.5,0 L 7,4 Z</Geometry>
		<MenuScrollingVisibilityConverter x:Key="MenuScrollingVisibilityConverter"/>
		<Geometry x:Key="DownArrow">M 0,0 L 3.5,4 L 7,0 Z</Geometry>
		<Style x:Key="{ComponentResourceKey ResourceId=MenuScrollViewer, TypeInTargetAssembly={x:Type FrameworkElement}}" BasedOn="{x:Null}" TargetType="{x:Type ScrollViewer}">
			<Setter Property="HorizontalScrollBarVisibility" Value="Hidden"/>
			<Setter Property="VerticalScrollBarVisibility" Value="Auto"/>
			<Setter Property="Template">
				<Setter.Value>
					<ControlTemplate TargetType="{x:Type ScrollViewer}">
						<Grid SnapsToDevicePixels="true">
							<Grid.ColumnDefinitions>
								<ColumnDefinition Width="*"/>
							</Grid.ColumnDefinitions>
							<Grid.RowDefinitions>
								<RowDefinition Height="Auto"/>
								<RowDefinition Height="*"/>
								<RowDefinition Height="Auto"/>
							</Grid.RowDefinitions>
							<Border Grid.Column="0" Grid.Row="1">
								<ScrollContentPresenter Margin="{TemplateBinding Padding}"/>
							</Border>
							<RepeatButton Style="{StaticResource MenuScrollButton}" Focusable="false" Grid.Column="0" Grid.Row="0" Command="{x:Static ScrollBar.LineUpCommand}" CommandTarget="{Binding RelativeSource={RelativeSource TemplatedParent}}">
								<RepeatButton.Visibility>
									<MultiBinding FallbackValue="Visibility.Collapsed" Converter="{StaticResource MenuScrollingVisibilityConverter}" ConverterParameter="0">
										<Binding Path="ComputedVerticalScrollBarVisibility" RelativeSource="{RelativeSource TemplatedParent}"/>
										<Binding Path="VerticalOffset" RelativeSource="{RelativeSource TemplatedParent}"/>
										<Binding Path="ExtentHeight" RelativeSource="{RelativeSource TemplatedParent}"/>
										<Binding Path="ViewportHeight" RelativeSource="{RelativeSource TemplatedParent}"/>
									</MultiBinding>
								</RepeatButton.Visibility>
								<Path Fill="{DynamicResource {x:Static SystemColors.MenuTextBrushKey}}" Data="{StaticResource UpArrow}"/>
							</RepeatButton>
							<RepeatButton Style="{StaticResource MenuScrollButton}" Focusable="false" Grid.Column="0" Grid.Row="2" Command="{x:Static ScrollBar.LineDownCommand}" CommandTarget="{Binding RelativeSource={RelativeSource TemplatedParent}}">
								<RepeatButton.Visibility>
									<MultiBinding FallbackValue="Visibility.Collapsed" Converter="{StaticResource MenuScrollingVisibilityConverter}" ConverterParameter="100">
										<Binding Path="ComputedVerticalScrollBarVisibility" RelativeSource="{RelativeSource TemplatedParent}"/>
										<Binding Path="VerticalOffset" RelativeSource="{RelativeSource TemplatedParent}"/>
										<Binding Path="ExtentHeight" RelativeSource="{RelativeSource TemplatedParent}"/>
										<Binding Path="ViewportHeight" RelativeSource="{RelativeSource TemplatedParent}"/>
									</MultiBinding>
								</RepeatButton.Visibility>
								<Path Fill="{DynamicResource {x:Static SystemColors.MenuTextBrushKey}}" Data="{StaticResource DownArrow}"/>
							</RepeatButton>
						</Grid>
					</ControlTemplate>
				</Setter.Value>
			</Setter>
		</Style>
		<ControlTemplate x:Key="{ComponentResourceKey ResourceId=TopLevelHeaderTemplateKey, TypeInTargetAssembly={x:Type MenuItem}}" TargetType="{x:Type MenuItem}">
			<Border x:Name="Bd" SnapsToDevicePixels="true" Background="Blue" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}">
				<DockPanel>
					<ContentPresenter x:Name="Icon" Margin="4,0,6,0" VerticalAlignment="Center" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" ContentSource="Icon"/>
					<Path x:Name="GlyphPanel" Fill="{TemplateBinding Foreground}" FlowDirection="LeftToRight" Margin="4,0,6,0" VerticalAlignment="Center" Visibility="Collapsed" Data="{StaticResource Checkmark}"/>
					<ContentPresenter Margin="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" ContentSource="Header" RecognizesAccessKey="True"/>
					<Popup x:Name="PART_Popup" AllowsTransparency="true" IsOpen="{Binding IsSubmenuOpen, RelativeSource={RelativeSource TemplatedParent}}" Placement="Bottom" PopupAnimation="{DynamicResource {x:Static SystemParameters.MenuPopupAnimationKey}}" Focusable="false">
						<Microsoft_Windows_Themes:SystemDropShadowChrome x:Name="Shdw" Color="Transparent">
							<Border x:Name="SubMenuBorder" Background="{DynamicResource {x:Static SystemColors.MenuBrushKey}}" BorderBrush="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}" BorderThickness="1">
								<ScrollViewer Style="{DynamicResource {ComponentResourceKey ResourceId=MenuScrollViewer, TypeInTargetAssembly={x:Type FrameworkElement}}}" CanContentScroll="true">
									<ItemsPresenter Margin="2" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Grid.IsSharedSizeScope="true" KeyboardNavigation.DirectionalNavigation="Cycle" KeyboardNavigation.TabNavigation="Cycle"/>
								</ScrollViewer>
							</Border>
						</Microsoft_Windows_Themes:SystemDropShadowChrome>
					</Popup>
				</DockPanel>
			</Border>
			<ControlTemplate.Triggers>
				<Trigger Property="IsSuspendingPopupAnimation" Value="true">
					<Setter Property="PopupAnimation" TargetName="PART_Popup" Value="None"/>
				</Trigger>
				<Trigger Property="Icon" Value="{x:Null}">
					<Setter Property="Visibility" TargetName="Icon" Value="Collapsed"/>
				</Trigger>
				<Trigger Property="IsChecked" Value="true">
					<Setter Property="Visibility" TargetName="GlyphPanel" Value="Visible"/>
					<Setter Property="Visibility" TargetName="Icon" Value="Collapsed"/>
				</Trigger>
				<Trigger Property="IsHighlighted" Value="true">
					<Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
					<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/>
				</Trigger>
				<Trigger Property="IsEnabled" Value="false">
					<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
				</Trigger>
				<Trigger Property="HasDropShadow" SourceName="PART_Popup" Value="true">
					<Setter Property="Margin" TargetName="Shdw" Value="0,0,5,5"/>
					<Setter Property="Color" TargetName="Shdw" Value="#71000000"/>
				</Trigger>
			</ControlTemplate.Triggers>
		</ControlTemplate>
		<ControlTemplate x:Key="{ComponentResourceKey ResourceId=TopLevelItemTemplateKey, TypeInTargetAssembly={x:Type MenuItem}}" TargetType="{x:Type MenuItem}">
			<Border x:Name="Bd" SnapsToDevicePixels="true" Background="Green" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}">
				<DockPanel>
					<ContentPresenter x:Name="Icon" Margin="4,0,6,0" VerticalAlignment="Center" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" ContentSource="Icon"/>
					<Path x:Name="GlyphPanel" Fill="{TemplateBinding Foreground}" FlowDirection="LeftToRight" Margin="4,0,6,0" VerticalAlignment="Center" Visibility="Collapsed" Data="{StaticResource Checkmark}"/>
					<ContentPresenter Margin="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" ContentSource="Header" RecognizesAccessKey="True"/>
				</DockPanel>
			</Border>
			<ControlTemplate.Triggers>
				<Trigger Property="Icon" Value="{x:Null}">
					<Setter Property="Visibility" TargetName="Icon" Value="Collapsed"/>
				</Trigger>
				<Trigger Property="IsChecked" Value="true">
					<Setter Property="Visibility" TargetName="GlyphPanel" Value="Visible"/>
					<Setter Property="Visibility" TargetName="Icon" Value="Collapsed"/>
				</Trigger>
				<Trigger Property="IsHighlighted" Value="true">
					<Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
					<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/>
				</Trigger>
				<Trigger Property="IsEnabled" Value="false">
					<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
				</Trigger>
			</ControlTemplate.Triggers>
		</ControlTemplate>
		<Geometry x:Key="RightArrow">M 0,0 L 4,3.5 L 0,7 Z</Geometry>
		<ControlTemplate x:Key="{ComponentResourceKey ResourceId=SubmenuHeaderTemplateKey, TypeInTargetAssembly={x:Type MenuItem}}" TargetType="{x:Type MenuItem}">
			<Border x:Name="Bd" SnapsToDevicePixels="true" Background="Blue" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}">
				<Grid>
					<Grid.ColumnDefinitions>
						<ColumnDefinition SharedSizeGroup="MenuItemIconColumnGroup" MinWidth="17" Width="Auto"/>
						<ColumnDefinition Width="*"/>
						<ColumnDefinition SharedSizeGroup="MenuItemIGTColumnGroup" Width="Auto"/>
						<ColumnDefinition Width="14"/>
					</Grid.ColumnDefinitions>
					<ContentPresenter x:Name="Icon" Margin="4,0,6,0" VerticalAlignment="Center" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" ContentSource="Icon"/>
					<Path x:Name="GlyphPanel" Fill="{TemplateBinding Foreground}" FlowDirection="LeftToRight" Margin="4,0,6,0" VerticalAlignment="Center" Visibility="Hidden" Data="{StaticResource Checkmark}"/>
					<ContentPresenter Margin="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Grid.Column="1" ContentSource="Header" RecognizesAccessKey="True"/>
					<Path Fill="{TemplateBinding Foreground}" Margin="4,0,6,0" VerticalAlignment="Center" Grid.Column="3" DockPanel.Dock="Right" Data="{StaticResource RightArrow}"/>
					<Popup x:Name="PART_Popup" AllowsTransparency="true" IsOpen="{Binding IsSubmenuOpen, RelativeSource={RelativeSource TemplatedParent}}" Placement="Right" PopupAnimation="{DynamicResource {x:Static SystemParameters.MenuPopupAnimationKey}}" VerticalOffset="-3" Focusable="false">
						<Microsoft_Windows_Themes:SystemDropShadowChrome x:Name="Shdw" Color="Transparent">
							<Border x:Name="SubMenuBorder" Background="{DynamicResource {x:Static SystemColors.MenuBrushKey}}" BorderBrush="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}" BorderThickness="1">
								<ScrollViewer Style="{DynamicResource {ComponentResourceKey ResourceId=MenuScrollViewer, TypeInTargetAssembly={x:Type FrameworkElement}}}" CanContentScroll="true">
									<ItemsPresenter Margin="2" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Grid.IsSharedSizeScope="true" KeyboardNavigation.DirectionalNavigation="Cycle" KeyboardNavigation.TabNavigation="Cycle"/>
								</ScrollViewer>
							</Border>
						</Microsoft_Windows_Themes:SystemDropShadowChrome>
					</Popup>
				</Grid>
			</Border>
			<ControlTemplate.Triggers>
				<Trigger Property="IsSuspendingPopupAnimation" Value="true">
					<Setter Property="PopupAnimation" TargetName="PART_Popup" Value="None"/>
				</Trigger>
				<Trigger Property="Icon" Value="{x:Null}">
					<Setter Property="Visibility" TargetName="Icon" Value="Collapsed"/>
				</Trigger>
				<Trigger Property="IsChecked" Value="true">
					<Setter Property="Visibility" TargetName="GlyphPanel" Value="Visible"/>
					<Setter Property="Visibility" TargetName="Icon" Value="Collapsed"/>
				</Trigger>
				<Trigger Property="HasDropShadow" SourceName="PART_Popup" Value="true">
					<Setter Property="Margin" TargetName="Shdw" Value="0,0,5,5"/>
					<Setter Property="Color" TargetName="Shdw" Value="#71000000"/>
				</Trigger>
				<Trigger Property="IsHighlighted" Value="true">
					<Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
					<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/>
				</Trigger>
				<Trigger Property="IsEnabled" Value="false">
					<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
				</Trigger>
			</ControlTemplate.Triggers>
		</ControlTemplate>
 
		<Style x:Key="MenuItemStyle1" TargetType="{x:Type MenuItem}">
			<Setter Property="HorizontalContentAlignment" Value="{Binding HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>
			<Setter Property="VerticalContentAlignment" Value="{Binding VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>
			<Setter Property="Background" Value="Red"/>
			<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.MenuTextBrushKey}}"/>
			<Setter Property="Template" Value="{DynamicResource {ComponentResourceKey ResourceId=SubmenuItemTemplateKey, TypeInTargetAssembly={x:Type MenuItem}}}"/>
			<Style.Triggers>
				<Trigger Property="Role" Value="TopLevelHeader">
					<Setter Property="Margin" Value="0,1,0,1"/>
					<Setter Property="Padding" Value="6,3,6,3"/>
					<Setter Property="Template" Value="{DynamicResource {ComponentResourceKey ResourceId=TopLevelHeaderTemplateKey, TypeInTargetAssembly={x:Type MenuItem}}}"/>
				</Trigger>
				<Trigger Property="Role" Value="TopLevelItem">
					<Setter Property="Margin" Value="0,1,0,1"/>
					<Setter Property="Padding" Value="6,3,6,3"/>
					<Setter Property="Template" Value="{DynamicResource {ComponentResourceKey ResourceId=TopLevelItemTemplateKey, TypeInTargetAssembly={x:Type MenuItem}}}"/>
				</Trigger>
				<Trigger Property="Role" Value="SubmenuHeader">
					<Setter Property="DockPanel.Dock" Value="Top"/>
					<Setter Property="Padding" Value="0,2,0,2"/>
					<Setter Property="Template" Value="{DynamicResource {ComponentResourceKey ResourceId=SubmenuHeaderTemplateKey, TypeInTargetAssembly={x:Type MenuItem}}}"/>
				</Trigger>
				<Trigger Property="Role" Value="SubmenuItem">
					<Setter Property="DockPanel.Dock" Value="Top"/>
					<Setter Property="Padding" Value="0,2,0,2"/>
				</Trigger>
			</Style.Triggers>
		</Style>
		<Style x:Key="MenuStyle1" TargetType="{x:Type Menu}">
			<Setter Property="FontFamily" Value="{DynamicResource {x:Static SystemFonts.MenuFontFamilyKey}}"/>
			<Setter Property="FontSize" Value="{DynamicResource {x:Static SystemFonts.MenuFontSizeKey}}"/>
			<Setter Property="FontStyle" Value="{DynamicResource {x:Static SystemFonts.MenuFontStyleKey}}"/>
			<Setter Property="FontWeight" Value="{DynamicResource {x:Static SystemFonts.MenuFontWeightKey}}"/>
			<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.MenuTextBrushKey}}"/>
			<Setter Property="VerticalContentAlignment" Value="Center"/>
			<Setter Property="Template">
				<Setter.Value>
					<ControlTemplate TargetType="{x:Type Menu}">
						<Border SnapsToDevicePixels="true" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Padding="{TemplateBinding Padding}">
							<ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
						</Border>
					</ControlTemplate>
				</Setter.Value>
			</Setter>
			<Setter Property="Background">
				<Setter.Value>
					<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
						<GradientStop Color="#FFD4D4D4" Offset="0.938"/>
						<GradientStop Color="Black" Offset="1"/>
					</LinearGradientBrush>
				</Setter.Value>
			</Setter>
		</Style>
	</Window.Resources>
 
	<Grid x:Name="LayoutRoot">
		<Menu Margin="1,-1,0,0" VerticalAlignment="Top" Height="22" Style="{DynamicResource MenuStyle1}">
			<MenuItem Margin="0" Style="{DynamicResource MenuItemStyle1}" Header="MenuItem" Background="#00FF0000">
				<MenuItem Header="MenuItem"/>
				<MenuItem Header="MenuItem"/>
				<MenuItem Header="MenuItem"/>
			</MenuItem>
			<MenuItem Margin="0" Header="MenuItem"/>
		</Menu>
	</Grid>
</Window>

a mon avis le cadre c'est le premier controltemplate soit SubmenuItemTemplateKey

Petit probleme dans un menu WPF

Windows Presentation Foundation

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