WPF: Get rid of shadow in tab headers

WPF: Get rid of shadow in tab headers - wpf

I have the following code:
<Grid>
<Grid.Resources>
<Style TargetType="{x:Type TabItem}" x:Key="TabItemStyle">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabItem}">
<Border x:Name="Chrome"
BorderBrush="Blue"
Background="Transparent">
<ContentPresenter ContentSource="Header"
Margin="0,0,0,3"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Selector.IsSelected" Value="True">
<Setter TargetName="Chrome" Property="BorderThickness" Value="0,0,0,3"/>
</Trigger>
<Trigger Property="Selector.IsSelected" Value="False">
<Setter TargetName="Chrome" Property="BorderThickness" Value="0,0,0,0"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Grid.Resources>
<Grid.Effect>
<DropShadowEffect Color="Black"
BlurRadius="10"
Opacity="0.25"
ShadowDepth="4"
Direction="270" />
</Grid.Effect>
<TabControl Background="Transparent">
<TabItem Style="{DynamicResource TabItemStyle}" Header="Tab 1" />
<TabItem Style="{DynamicResource TabItemStyle}" Header="Tab 2" />
</TabControl>
</Grid>
The grid has a DropshadowEffect which I need.
The TabControl's background must be Transparent.
I have a style for the TabItems which I need.
The style for the TabItems cause the tab headers to have a shadow. I don't want that shadow.
Is there a way to get rid of the shadow on the TabItem headers?
But keep the shadow on the Grid.
Please help!
Best regards
/Steffe

You could try to apply the effect to a sibling Grid:
<Grid>
<Grid Background="White">
<Grid.Effect>
<DropShadowEffect Color="Black"
BlurRadius="10"
Opacity="0.25"
ShadowDepth="4"
Direction="270" />
</Grid.Effect>
</Grid>
<Grid>
<Grid.Resources>
<Style TargetType="{x:Type TabItem}" x:Key="TabItemStyle">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabItem}">
<Border x:Name="Chrome"
BorderBrush="Blue"
Background="Transparent">
<ContentPresenter ContentSource="Header"
Margin="0,0,0,3"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Selector.IsSelected" Value="True">
<Setter TargetName="Chrome" Property="BorderThickness" Value="0,0,0,3"/>
</Trigger>
<Trigger Property="Selector.IsSelected" Value="False">
<Setter TargetName="Chrome" Property="BorderThickness" Value="0,0,0,0"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Grid.Resources>
<TabControl Background="Transparent">
<TabItem Style="{DynamicResource TabItemStyle}" Header="Tab 1" />
<TabItem Style="{DynamicResource TabItemStyle}" Header="Tab 2" />
</TabControl>
</Grid>
</Grid>
Then it won't affect the TabControl.

Related

WPF styling tab items as arrow-like

I want to style my TabControl to have items similar to this:
I tried to the combination of Border (with right thickness of 0) and triangle shaped polygon with pushing the polygon out of bound a bit to overlap, but its not really working as the out of bounds part of polygon gets hidden. Here is my attempt and now I am stuck and don't really know what else to try:
<!-- Styles -->
<Style TargetType="{x:Type TabItem}">
<Setter Property="Padding" Value="15 0 15 0" />
<Setter Property="Background" Value="#f5f5f5" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabItem}">
<Grid ClipToBounds="False">
<Border x:Name="PART_Border"
Padding="{TemplateBinding Padding}"
Background="{TemplateBinding Background}"
BorderThickness="1 1 0 1"
BorderBrush="LightGray">
<ContentPresenter ContentSource="Header" VerticalAlignment="Center" />
</Border>
<Polygon Points="0,0 20,25, 0,50"
Stroke="#e8e8e8"
Fill="#ffffff"
HorizontalAlignment="Right"
Margin="0 0 -10 0"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter TargetName="PART_Border" Property="Background" Value="#ffffff" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<!-- Content -->
<TabControl>
<TabItem Header="First" />
<TabItem Header="Second" />
<TabItem Header="Third" />
</TabControl>

This will do the job for you:
<Style TargetType="{x:Type TabItem}">
<Setter Property="Background" Value="#f5f5f5" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabItem}">
<Grid>
<Path x:Name="Back" Data="M0,0 L 80,0 L100,20 L80,40 L0,40 L 20,20 " Stretch="None" VerticalAlignment="Stretch"
Stroke="#e8e8e8" StrokeThickness="2"
Fill="{TemplateBinding Background}"
HorizontalAlignment="Stretch" Margin="-30,0,0,0"/>
<ContentPresenter ContentSource="Header" VerticalAlignment="Center" />
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter TargetName="Back" Property="Fill" Value="#ffffff" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
Instead of the border and polygon I used a Path to draw the shape for you.
You can use - (minus) values in margins to overlap items.
Result:

WPF - "Padding" in TabItem or a distance between header and content

I have a TabControl with a bunch of TabItems.
Between the TabItem's header and the content of the TabItem, I would like to have a distance of 15px.
I tried the TabItem's Padding property and set it to (0,15,0,0). But that didn't work.
I have tried to to set the TabItem's Template property but couldn't figure out how to set the distance.
The only solution I have found is to set a margin on the first control in the TabItem.
But I don't like that solution due to I have to implement that in each TabItem.
I would like a solution in a style so I can reuse the style for each TabItem instead.
Code
(Just copy-paste into a Window)
<Border BorderBrush="Black" BorderThickness="1">
<TabControl BorderThickness="0">
<TabControl.Resources>
<Style TargetType="{x:Type TabItem}" x:Key="TabItemStyle">
<Setter Property="HeaderTemplate">
<Setter.Value>
<DataTemplate>
<Label x:Name="TabItemHeaderLabel"
Foreground="Orange"
FontSize="18"
VerticalAlignment="Center"
HorizontalAlignment="Center"
Content="{Binding}" />
<DataTemplate.Triggers>
<DataTrigger Binding="{Binding IsSelected, RelativeSource={RelativeSource AncestorType={x:Type TabItem}}}" Value="True">
<Setter TargetName="TabItemHeaderLabel" Property="Foreground" Value="Blue"/>
</DataTrigger>
</DataTemplate.Triggers>
</DataTemplate>
</Setter.Value>
</Setter>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabItem}">
<Border x:Name="Chrome"
BorderBrush="Blue"
Background="Transparent">
<ContentPresenter ContentSource="Header"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Selector.IsSelected" Value="True">
<Setter TargetName="Chrome" Property="BorderThickness" Value="0,0,0,3"/>
</Trigger>
<Trigger Property="Selector.IsSelected" Value="False">
<Setter TargetName="Chrome" Property="BorderThickness" Value="0,0,0,0"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</TabControl.Resources>
<!-- TabItem 1-->
<TabItem Style="{DynamicResource TabItemStyle}"
Header="Tab 1">
<!-- Notice the margin -->
<Grid Margin="0,15,0,0"
Background="Lime" />
</TabItem>
<-- TabItem 2-->
<TabItem Style="{DynamicResource TabItemStyle}"
Header="Tab 2">
<Grid Background="Red" />
</TabItem>
</TabControl>
</Border>
If you select the Tab 1 you will notice a distance of 15px between the blue line in the header and the green Grid.
If you select the Tab 2 you will not see a distance between the blue line and the red grid.
Is there a better way to include the distance of 15px into the style in someway?

Can't you simply add a bottom margin to the Border element in the ControlTemplate?:
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabItem}">
<Border x:Name="Chrome"
BorderBrush="Blue"
Background="Transparent"
Margin="0,0,0,15">
<ContentPresenter ContentSource="Header"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Selector.IsSelected" Value="True">
<Setter TargetName="Chrome" Property="BorderThickness" Value="0,0,0,3"/>
</Trigger>
<Trigger Property="Selector.IsSelected" Value="False">
<Setter TargetName="Chrome" Property="BorderThickness" Value="0,0,0,0"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>

WPF ToggleButton XAML styling

So I have two toggle buttons that I am trying to combine - sort of. So the first button toggles the images based on whether it IsChecked is true or false, but this button has a border around it that I can't get rid of.
The second toggle button doesn't have a border and doesn't blink when clicked, but it also doesn't change images based on it's state.
What I want is the best of both worlds. Change the image AND get rid of the border. I have tried exactly 23 things and none of them work.
Here is the code I am using:
<ToggleButton x:Name="changeButBorderedBlinky" Margin="0,12,194,0" Width="82" Height="82" Background="Transparent" Padding="-1" Focusable="false" VerticalAlignment="Top" HorizontalAlignment="Right">
<ToggleButton.Style>
<Style TargetType="{x:Type ToggleButton}">
<Setter Property="Content">
<Setter.Value>
<Border BorderThickness="0" >
<Image Source="images/buttonimages/back2.png" Stretch="Fill" />
</Border>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsChecked" Value="True">
<Setter Property="Content">
<Setter.Value>
<Border BorderThickness="0" >
<Image Source="images/buttonimages/back.png" Stretch="fill" />
</Border>
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
</Style>
</ToggleButton.Style>
</ToggleButton>
<ToggleButton x:Name="noChangeNoBorder" Margin="0,12,104,0" VerticalAlignment="Top" HorizontalAlignment="Right" Height="80" Width="80" >
<ToggleButton.Template>
<ControlTemplate TargetType="{x:Type ToggleButton}">
<Border x:Name="border" >
<Image x:Name="img" Source="images/buttonimages/back2.png" />
</Border>
</ControlTemplate>
</ToggleButton.Template>
</ToggleButton>
Thanks for any help on this. It's driving me insane.

Your customization options are endless in either case. Have you ever tried Expression Blend? It comes along with Visual Studio 2013 Community (which is free to use) and it would let you customize either control any way you want.
Here, done using Expression Blend, no blink, no border, image swapping:
<ToggleButton x:Name="changeButBorderedBlinky" Margin="0,12,194,0" Width="82" Height="82" Background="Transparent" Padding="-1" Focusable="false" VerticalAlignment="Top" HorizontalAlignment="Right">
<ToggleButton.Template>
<ControlTemplate TargetType="{x:Type ButtonBase}">
<ContentPresenter x:Name="contentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" ContentStringFormat="{TemplateBinding ContentStringFormat}" Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
<ControlTemplate.Triggers>
<Trigger Property="Button.IsDefaulted" Value="True"/>
<Trigger Property="IsMouseOver" Value="True"/>
<Trigger Property="IsPressed" Value="True"/>
<Trigger Property="ToggleButton.IsChecked" Value="True"/>
<Trigger Property="IsEnabled" Value="False">
<Setter Property="TextElement.Foreground" TargetName="contentPresenter" Value="#FF838383"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</ToggleButton.Template>
<ToggleButton.Style>
<Style TargetType="{x:Type ToggleButton}">
<Setter Property="Content">
<Setter.Value>
<Border BorderThickness="0" >
<Image Source="images/buttonimages/back2.png" Stretch="Fill" />
</Border>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsChecked" Value="True">
<Setter Property="Content">
<Setter.Value>
<Border BorderThickness="0" >
<Image Source="images/buttonimages/back.png" Stretch="fill" />
</Border>
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
</Style>
</ToggleButton.Style>
</ToggleButton>

Try to use slightly modified XAML pertinent to your first ToggleButton:
<ToggleButton x:Name="changeButBorderedBlinky"
Margin="0,12,194,0"
Width="82" Height="82"
Background="Transparent"
Padding="-1"
Focusable="false"
VerticalAlignment="Top" HorizontalAlignment="Right">
<ToggleButton.Style>
<Style TargetType="{x:Type ToggleButton}">
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="Content">
<Setter.Value>
<Image Source="images/buttonimages/back2.png" Stretch="Fill" />
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsChecked" Value="True">
<Setter Property="Content">
<Setter.Value>
<Image Source="images/buttonimages/back.png" Stretch="fill" />
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
</Style>
</ToggleButton.Style>
</ToggleButton>
You can also try to customize other properties, for eg:
<Setter Property="Background" Value="#FF1F3B53"/>
<Setter Property="Foreground" Value="#FF000000"/>
<Setter Property="BorderBrush" Value="Transparent">
For more styling options refer to: http://msdn.microsoft.com/en-us/library/cc296245%28v=vs.95%29.aspx
Hope this will help. Regards,

WPF - how to hide menu on mouse leave?

I'm very very new to WPF and I've been struggling for a couple of days now on how to hide a sub-menu of a MenuItem when the mouse leaves the sub-menu.
I've tried applying the trigger directly on the parent MenuItem but this only applies to its header. I've tried to manipulate the MenuItem.ItemsPanel I haven't had any success.
I have managed to wrap the children in a Menu control (inside the parent MenuItem) and apply the trigger on it but there are unwanted side effects (like all Menu is highlighted instead of one item).
Any help will be appreciated,
Idan
<Menu .... >
<MenuItem .... > // parent MenuItem
<MenuItem .... />
<MenuItem .... />
<MenuItem .... />
<MenuItem .... />
</MenuItem>
</Menu>

I am new to XAML and this may not be perfect but it works for me - I needed the same function and came up with this after many hours of searching and trying, this is why I wanted to post it because I could not find the answer anywhere. There is extra code for styling and alignment but you can ignore it:
Only - Xaml for closing the menu on mouse leave:
<!--.........Override PopUp so it can close on Mouse Leave + Style ----------------------------------->
<!--#3-Top Menu - MenuItem-->
<Style x:Key="menu_TopMenu_MenuItem_Style" TargetType="{x:Type MenuItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate x:Name="menuItem" TargetType="{x:Type MenuItem}">
<Border x:Name="templateRoot" BorderThickness="1" CornerRadius="1" SnapsToDevicePixels="True">
<Grid VerticalAlignment="Center">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<ContentPresenter ContentTemplate="{TemplateBinding HeaderTemplate}" Content="{TemplateBinding Header}" Grid.Column="1" ContentStringFormat="{TemplateBinding HeaderStringFormat}" ContentSource="Header" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
<Popup x:Name="PART_Popup" AllowsTransparency="True" Focusable="False" IsOpen="{Binding IsSubmenuOpen, RelativeSource={RelativeSource TemplatedParent}}" PopupAnimation="None" Placement="Bottom">
<Border x:Name="SubMenuBorder">
<ScrollViewer x:Name="SubMenuScrollViewer"
Style="{DynamicResource {ComponentResourceKey ResourceId=MenuScrollViewer, TypeInTargetAssembly={x:Type FrameworkElement}}}"
Background="Blue" Margin="0" Padding="0">
<Grid RenderOptions.ClearTypeHint="Enabled">
<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
<Rectangle x:Name="OpaqueRect" Stroke="#8a919c" RadiusX="5" RadiusY="5" StrokeThickness="1" Height="{Binding ActualHeight, ElementName=SubMenuBorder}" Width="{Binding ActualWidth, ElementName=SubMenuBorder}">
<Rectangle.Fill>
<LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
<GradientStop Color="#FF404957" Offset="0.144"/>
<GradientStop Color="#FF2B3F47" Offset="0.994"/>
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
</Canvas>
<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Cycle" Grid.IsSharedSizeScope="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" KeyboardNavigation.TabNavigation="Cycle" />
</Grid>
</ScrollViewer>
</Border>
</Popup>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsSuspendingPopupAnimation" Value="True">
<Setter Property="PopupAnimation" TargetName="PART_Popup" Value="None"/>
</Trigger>
<Trigger Property="IsKeyboardFocusWithin" Value="True">
<Setter TargetName="templateRoot" Property="Background" Value="#FF576DB9" />
</Trigger>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" TargetName="templateRoot" Value="#7F26DACA"/>
<Setter Property="BorderBrush" TargetName="templateRoot" Value="#FF26DAB9"/>
<Setter Property="IsOpen" TargetName="PART_Popup" Value="true"/>
<Setter Property="Cursor" Value="Hand"/>
<Setter Property="Focusable" Value="False"/>
</Trigger>
<!--On - MouseLeave - Close PopUp - "Menu" -->
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsKeyboardFocusWithin" Value="false" />
<Condition Property="IsMouseOver" Value="false" />
</MultiTrigger.Conditions>
<MultiTrigger.Setters>
<Setter Property="IsOpen" TargetName="PART_Popup" Value="false"/>
</MultiTrigger.Setters>
</MultiTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
=========================================================================
Detailed:
#1 - MainWindow.xaml - File - "The Menu code bellow":
<Window x:Class="PaintApp.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:PaintApp"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
<!--GRID-->
<Grid x:Name="grid_MainGrid">
<!--..............................The Menu Code....................................................-->
<!--Top Menu-->
<DockPanel x:Name="dockPanel_Menu_TopMenu" Style="{DynamicResource dockPanel_Menu_TopMenu_Style}">
<Menu x:Name="menu_TopMenu" Style="{DynamicResource menu_TopMenu_Style}">
<MenuItem Header="File" Style="{DynamicResource menu_TopMenu_MenuItem_Style}">
<MenuItem Header="New"/>
<Separator Style="{DynamicResource menu_TopMenu_Seperator_Style}"/>
<MenuItem Header="Open"/>
<Separator Style="{DynamicResource menu_TopMenu_Seperator_Style}"/>
<MenuItem Header="Save"/>
</MenuItem>
<MenuItem Header="Close" Style="{DynamicResource menu_TopMenu_MenuItem_Style}"/>
<MenuItem Header="Open" Style="{DynamicResource menu_TopMenu_MenuItem_Style}"/>
</Menu>
</DockPanel>
#2 -The Resource Dictionary File - The Styles- maintheme.xaml - I am placing my styles in a separate file so I can change the theme dynamically
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="PaintApp.maintheme"
xmlns:local="clr-namespace:PaintApp">
<!--..........Only For Style and alignment if you dont care about the style ignore this....................................................-->
<!--#1 - Top Menu-DockPanel-->
<Style x:Key="dockPanel_Menu_TopMenu_Style" TargetType="{x:Type DockPanel}">
<Setter Property="VerticalAlignment" Value="Top"/>
<Setter Property="Height" Value="20"/>
</Style>
<!--..........Only For Style and alignment if you dont care about the style ignore this....................................................-->
<!--#2-Top Menu-Menu-->
<Style x:Key="menu_TopMenu_Style" TargetType="{x:Type Menu}">
<Setter Property="DockPanel.Dock" Value="Top"/>
<Setter Property="Background" Value="#FF3E434B"/>
<Setter Property="Foreground" Value="#FFFFFA9B"/>
<Setter Property="FontFamily" Value="Verdana"/>
</Style>
<!--.........Override PopUp so it can close on Mouse Leave + Style ----------------------------------->
<!--#3-Top Menu - MenuItem-->
<Style x:Key="menu_TopMenu_MenuItem_Style" TargetType="{x:Type MenuItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate x:Name="menuItem" TargetType="{x:Type MenuItem}">
<Border x:Name="templateRoot" BorderThickness="1" CornerRadius="1" SnapsToDevicePixels="True">
<Grid VerticalAlignment="Center">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<ContentPresenter ContentTemplate="{TemplateBinding HeaderTemplate}" Content="{TemplateBinding Header}" Grid.Column="1" ContentStringFormat="{TemplateBinding HeaderStringFormat}" ContentSource="Header" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
<Popup x:Name="PART_Popup" AllowsTransparency="True" Focusable="False" IsOpen="{Binding IsSubmenuOpen, RelativeSource={RelativeSource TemplatedParent}}" PopupAnimation="None" Placement="Bottom">
<Border x:Name="SubMenuBorder">
<ScrollViewer x:Name="SubMenuScrollViewer"
Style="{DynamicResource {ComponentResourceKey ResourceId=MenuScrollViewer, TypeInTargetAssembly={x:Type FrameworkElement}}}"
Background="Blue" Margin="0" Padding="0">
<Grid RenderOptions.ClearTypeHint="Enabled">
<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
<Rectangle x:Name="OpaqueRect" Stroke="#8a919c" RadiusX="5" RadiusY="5" StrokeThickness="1" Height="{Binding ActualHeight, ElementName=SubMenuBorder}" Width="{Binding ActualWidth, ElementName=SubMenuBorder}">
<Rectangle.Fill>
<LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
<GradientStop Color="#FF404957" Offset="0.144"/>
<GradientStop Color="#FF2B3F47" Offset="0.994"/>
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
</Canvas>
<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Cycle" Grid.IsSharedSizeScope="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" KeyboardNavigation.TabNavigation="Cycle" />
</Grid>
</ScrollViewer>
</Border>
</Popup>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsSuspendingPopupAnimation" Value="True">
<Setter Property="PopupAnimation" TargetName="PART_Popup" Value="None"/>
</Trigger>
<Trigger Property="IsKeyboardFocusWithin" Value="True">
<Setter TargetName="templateRoot" Property="Background" Value="#FF576DB9" />
</Trigger>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" TargetName="templateRoot" Value="#7F26DACA"/>
<Setter Property="BorderBrush" TargetName="templateRoot" Value="#FF26DAB9"/>
<Setter Property="IsOpen" TargetName="PART_Popup" Value="true"/>
<Setter Property="Cursor" Value="Hand"/>
<Setter Property="Focusable" Value="False"/>
</Trigger>
<!--On - MouseLeave - Close PopUp - "Menu" -->
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsKeyboardFocusWithin" Value="false" />
<Condition Property="IsMouseOver" Value="false" />
</MultiTrigger.Conditions>
<MultiTrigger.Setters>
<Setter Property="IsOpen" TargetName="PART_Popup" Value="false"/>
</MultiTrigger.Setters>
</MultiTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
<!--......SubMenus....Only For Style and alignment if you dont care about the style ignore this....................................................-->
<!--Top - Menu - SUB - MenuItems-->
<Style.Resources>
<Style TargetType="{x:Type MenuItem}">
<Setter Property="OverridesDefaultStyle" Value="True"/>
<Setter Property="SnapsToDevicePixels" Value="True"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type MenuItem}">
<Border x:Name="subMenuitemBorder" BorderThickness="2" CornerRadius="3" SnapsToDevicePixels="True" Uid="Border_38">
<Grid x:Name="bg" Background="{TemplateBinding Background}">
<ContentPresenter x:Name="HeaderHost" ContentSource="Header" RecognizesAccessKey="True">
<ContentPresenter.ContentTemplate>
<DataTemplate>
<!--<Border BorderBrush="#FF60626A" BorderThickness="0, 0, 0, 1" Margin="10, 0, 10, -5">-->
<TextBlock Padding="30, 3,30, 5" Text="{Binding BindsDirectlyToSource=True}"/>
<!--</Border>-->
</DataTemplate>
</ContentPresenter.ContentTemplate>
</ContentPresenter>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsHighlighted" Value="True">
<Setter Property="BorderBrush" TargetName="subMenuitemBorder" Value="#FF26A0DA"/>
<Setter Property="Background" TargetName="subMenuitemBorder" Value="#7F26A0DA"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Style.Resources>
</Style>
<!--..........Only For Style and alignment if you dont care about the style ignore this....................................................-->
<!--Top - Menu Seperator-->
<Style x:Key="menu_TopMenu_Seperator_Style" TargetType="{x:Type Separator}">
<Setter Property="Background" Value="Red"/>
<Setter Property="Margin" Value="10,1,10,1"/>
<Setter Property="Focusable" Value="false"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Separator}">
<Border
BorderBrush="#FF6A667E"
BorderThickness="1"
Background="Red"
Height="1"
SnapsToDevicePixels="true"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
#3 - The App.xaml file - Because I use seperate file for the styles
<Application x:Class="PaintApp.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:PaintApp"
StartupUri="MainWindow.xaml">
<Application.Resources>
<!--Seperate file for the styles-->
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="maintheme.xaml"></ResourceDictionary>
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
<!--Seperate file for the styles-->
</Application.Resources>
</Application>

How can i change the shape of an individual tabitem in wpf?

i have a simple interface that has two tabs vertically on the left side.
I have rounded the edges of the windows and the tabitems but i want the last tab(it happens to be the second but i would like it like that even if it was fifth or tenth) to not have rounded edges.
Heres the code, hope you can understand what i am trying to do cause i am new to this.
tle="MainWindow" Height="359" Width="504" Topmost="True" BorderThickness="0" WindowStyle="None" AllowsTransparency="True" BorderBrush="Black" Background="#0CFFFFFF">
<Window.Resources>
<LinearGradientBrush x:Key="SelectedBorderBrush" StartPoint="0,0" EndPoint="1,0" >
<GradientBrush.GradientStops>
<GradientStopCollection>
<GradientStop Color="Gray" Offset="0.965"/>
<GradientStop Color="WhiteSmoke" Offset="1.0"/>
</GradientStopCollection>
</GradientBrush.GradientStops>
</LinearGradientBrush >
<Style TargetType="{x:Type TabControl}" >
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabControl}">
<DockPanel >
<Border
Panel.ZIndex="50"
Margin="0,10,-1,0"
Background="#FF0072C5"
BorderBrush="Gray"
CornerRadius="7,0,0,7"
BorderThickness="1">
<TabPanel
Margin="0,0,0,0"
IsItemsHost="True" />
</Border>
<Border
Background="WhiteSmoke"
BorderBrush="Gray"
BorderThickness="1"
CornerRadius="7,7,7,0" >
<ContentPresenter
ContentSource="SelectedContent" />
</Border>
</DockPanel>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style TargetType="{x:Type TabItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabItem}">
<Grid>
<Border Name="Border"
Background="#FF0072C5"
CornerRadius="7,0,0,0"
BorderBrush="Gray"
BorderThickness="0,0,0,1"
Panel.ZIndex="50"
Margin="0,0,0,0"
>
<ContentPresenter x:Name="ContentSite"
VerticalAlignment="Center"
HorizontalAlignment="Center"
ContentSource="Header"
Margin="50,10,50,10"/>
</Border>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter Property="Panel.ZIndex" Value="100" />
<Setter Property="Margin" Value="0,0,-2,0" />
<Setter TargetName="Border"
Property="BorderBrush"
Value="{StaticResource SelectedBorderBrush}"/>
<Setter TargetName="Border"
Property="Background"
Value="WhiteSmoke" />
<Setter TargetName="Border"
Property="CornerRadius"
Value="7,0,0,7" />
</Trigger>
<Trigger Property="IsSelected" Value="False">
<!--<Setter Property="Background" Value="Black" />-->
<Setter Property="Foreground" Value="White" />
</Trigger>
<Trigger Property="IsSelected" Value="True">
<!--<Setter Property="Background" Value="Black" />-->
<Setter Property="Foreground" Value="#FF0072C5" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Window.Resources>
<Grid >
<TabControl Name="_menuTabControl" TabStripPlacement="Left" Margin="10,0" BorderThickness="1" ClipToBounds="True" Height="359" VerticalAlignment="Top" >
<TabItem Name="_tabItem1" Header="Name1" BorderThickness="1" Margin="0">
<Grid Width="334" Height="280" HorizontalAlignment="Stretch" Margin="0,25">
<!-- secret stuff here that i didnt copy :P -->
</Grid>
</TabItem>
<TabItem Name="_tabItem2" Header="Name2" BorderThickness="1" Margin="0" >
</TabItem>
</TabControl>
</Grid>

You can set style specific to tab items by giving x:Key value to style
<Style x:Key="TabItemRounded" TargetType="{x:Type TabItem}" >
Now set the style to TabItemRounded only for tabs where you want that style
<TabControl >
<TabItem Header="ABC" Style="{StaticResource TabItemRounded}"></TabItem>
<TabItem Header="PQR"></TabItem>
</TabControl>