正如承诺的,这是密码。谢谢你的帮助,杰伊,带我向正确的方向,最终找到一个答案的MSDN
http://msdn.microsoft.com/en-us/library/ms752296.aspx
MenuItem和ContextMenu控制基本菜单的样式,另外两个用于子菜单项。杰伊的方法也许奏效了,但不幸的是我没能做到。不过,这非常有效,而且可能允许对子菜单样式进行更多的控制。
<UserControl.Resources>
<!-- Separator -->
<Style TargetType="{x:Type Separator}"
x:Key="SeparatorStyle">
<Setter Property="Height"
Value="1" />
<Setter Property="Background"
Value="#0f3c5a" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Separator}">
<Rectangle Height="{TemplateBinding Height}"
Fill="White" />
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<!--Outer menu items-->
<Style TargetType="{x:Type MenuItem}">
<Setter Property="Background"
Value="#0f3c5a"></Setter>
<Setter Property="Foreground"
Value="White"></Setter>
<Style.Triggers>
<Trigger Property="IsHighlighted"
Value="True">
<Setter Property="Background"
Value="Black"></Setter>
</Trigger>
<Trigger Property="IsEnabled"
Value="False">
<Setter Property="Foreground"
Value="LightGray"></Setter>
</Trigger>
</Style.Triggers>
</Style>
<!-- Outer menu -->
<Style TargetType="{x:Type ContextMenu}">
<Setter Property="OverridesDefaultStyle"
Value="True" />
<Setter Property="SnapsToDevicePixels"
Value="True" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ContextMenu}">
<!--Here is where you change the border thickness to zero on the menu-->
<Border BorderThickness="0"
x:Name="Border"
Background="Transparent">
<StackPanel ClipToBounds="True"
Orientation="Vertical"
IsItemsHost="True" />
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver"
Value="true">
<Setter TargetName="Border"
Property="Background"
Value="#0f3c5a" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<!-- SubmenuItem -->
<ControlTemplate x:Key="{x:Static MenuItem.SubmenuItemTemplateKey}"
TargetType="{x:Type MenuItem}">
<Border Name="Border">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"
SharedSizeGroup="Icon" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto"
SharedSizeGroup="Shortcut" />
<ColumnDefinition Width="13" />
</Grid.ColumnDefinitions>
<ContentPresenter Name="Icon"
Margin="6,0,6,0"
VerticalAlignment="Center"
ContentSource="Icon" />
<Border Name="Check"
Width="13"
Height="13"
Visibility="Collapsed"
Margin="6,0,6,0"
Background="#0f3c5a"
BorderThickness="1"
BorderBrush="#5082a4">
<Path Name="CheckMark"
Width="7"
Height="7"
Visibility="Hidden"
SnapsToDevicePixels="False"
Stroke="#5082a4"
StrokeThickness="2"
Data="M 0 0 L 7 7 M 0 7 L 7 0" />
</Border>
<ContentPresenter Name="HeaderHost"
Grid.Column="1"
ContentSource="Header"
RecognizesAccessKey="True" />
<TextBlock x:Name="InputGestureText"
Grid.Column="2"
Text="{TemplateBinding InputGestureText}"
Margin="5,2,0,2"
DockPanel.Dock="Right" />
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Icon"
Value="{x:Null}">
<Setter TargetName="Icon"
Property="Visibility"
Value="Hidden" />
</Trigger>
<Trigger Property="IsChecked"
Value="true">
<Setter TargetName="CheckMark"
Property="Visibility"
Value="Visible" />
</Trigger>
<Trigger Property="IsCheckable"
Value="true">
<Setter TargetName="Check"
Property="Visibility"
Value="Visible" />
<Setter TargetName="Icon"
Property="Visibility"
Value="Hidden" />
</Trigger>
<Trigger Property="IsHighlighted"
Value="true">
<Setter TargetName="Border"
Property="Background"
Value="#5082a4" />
</Trigger>
<Trigger Property="IsEnabled"
Value="false">
<Setter Property="Foreground"
Value="#0f3c5a" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<!-- SubmenuHeader -->
<ControlTemplate x:Key="{x:Static MenuItem.SubmenuHeaderTemplateKey}"
TargetType="{x:Type MenuItem}">
<Border Name="Border">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"
SharedSizeGroup="Icon" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto"
SharedSizeGroup="Shortcut" />
<ColumnDefinition Width="13" />
</Grid.ColumnDefinitions>
<ContentPresenter Name="Icon"
Margin="6,0,6,0"
VerticalAlignment="Center"
ContentSource="Icon" />
<ContentPresenter Name="HeaderHost"
Grid.Column="1"
ContentSource="Header"
RecognizesAccessKey="True" />
<TextBlock x:Name="InputGestureText"
Grid.Column="2"
Text="{TemplateBinding InputGestureText}"
Margin="5,2,2,2"
DockPanel.Dock="Right" />
<Path Grid.Column="3"
HorizontalAlignment="Center"
VerticalAlignment="Center"
Data="M 0 0 L 0 7 L 4 3.5 Z"
Fill="#0f3c5a" />
<Popup Name="Popup"
Placement="Right"
HorizontalOffset="-4"
IsOpen="{TemplateBinding IsSubmenuOpen}"
AllowsTransparency="True"
Focusable="False"
PopupAnimation="Fade">
<Border Name="SubmenuBorder"
SnapsToDevicePixels="True"
Background="#0f3c5a"
BorderBrush="#0f3c5a"
BorderThickness="1">
<StackPanel IsItemsHost="True"
KeyboardNavigation.DirectionalNavigation="Cycle" />
</Border>
</Popup>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Icon"
Value="{x:Null}">
<Setter TargetName="Icon"
Property="Visibility"
Value="Collapsed" />
</Trigger>
<Trigger Property="IsHighlighted"
Value="true">
<Setter TargetName="Border"
Property="Background"
Value="#5082a4" />
</Trigger>
<Trigger SourceName="Popup"
Property="Popup.AllowsTransparency"
Value="True">
<Setter TargetName="SubmenuBorder"
Property="CornerRadius"
Value="4" />
<Setter TargetName="SubmenuBorder"
Property="Padding"
Value="0,3,0,3" />
</Trigger>
<Trigger Property="IsEnabled"
Value="false">
<Setter Property="Foreground"
Value="#0f3c5a" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
