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How to handle conflicting Visual State Setters in separate Visual State Groups?

Let's say I've got a RadioButton style defined in a XAML ResourceDictionary (no code-behind):
<Style x:Key="ExampleRadioButtonStyle"
TargetType="RadioButton">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="RadioButton">
<Grid x:Name="Root">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal" />
<VisualState x:Name="PointerOver">
<VisualState.Setters>
???
</VisualState.Setters>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="CheckStates">
<VisualState x:Name="Checked">
<VisualState.Setters>
<Setter Target="Content.Fill" Value="White" />
<Setter Target="Content.Stroke" Value="Blue" />
</VisualState.Setters>
</VisualState>
<VisualState x:Name="Unchecked">
<VisualState.Setters>
<Setter Target="Content.Fill" Value="Transparent" />
<Setter Target="Content.Stroke" Value="Black" />
</VisualState.Setters>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Ellipse x:Name="Content"
StrokeThickness="5"/>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
Now I want to change the Content.Stroke property when the CommonStates.CurrentState is PointerOver to:
Cyan when the CheckStates.CurrentState is Checked
Gray when the CheckStates.CurrentState is Unchecked
What is the best way to achieve that?
Please note that this is just a simplified example prepared to present my problem which is much more complex in reality (for example I need to handle all CommonStates) so I look for a decent solution not a simple workaround handling only the mouse over behavior.

According to the code you provided, we can't directly get the selected state of the RadioButton from PointerOver.You can follow the native style,create two Ellipse,one for the selected state and the other for the unselected.Use the Check status switch to show or hideEllipse.Then set the stroke in PointerOver.For example:
<Ellipse x:Name="Content" Fill="{StaticResource RadioButtonOuterEllipseFill}" Height="20" StrokeThickness="{ThemeResource RadioButtonBorderThemeThickness}" Stroke="{ThemeResource RadioButtonOuterEllipseStroke}" UseLayoutRounding="False" Width="20"/>
<Ellipse x:Name="CheckedContent" Fill="{ThemeResource RadioButtonOuterEllipseCheckedFill}" Height="20" Opacity="0" StrokeThickness="{ThemeResource RadioButtonBorderThemeThickness}" Stroke="{ThemeResource RadioButtonOuterEllipseCheckedStroke}" UseLayoutRounding="False" Width="20"/>
When the CheckStates.CurrentState is Checked,you can show the CheckedContent and hide Content,the UnChecked the opposite.
<VisualStateGroup x:Name="CheckStates">
<VisualState x:Name="Checked">
<VisualState.Setters>
<Setter Target="Content.Opacity" Value="0"></Setter>
<Setter Target="CheckedContent.Opacity" Value="1"></Setter>
<Setter Target="CheckedContent.Fill" Value="White" />
<Setter Target="CheckedContent.Stroke" Value="Blue" />
</VisualState.Setters>
</VisualState>
......
</VisualStateGroup>
Then you can set stroke for different states in PointerOver.
<VisualState x:Name="PointerOver">
<VisualState.Setters>​
<Setter Target="Content.Stroke" Value="Gray"></Setter>​
<Setter Target="CheckedContent.Stroke" Value="Cyan"></Setter>​
</VisualState.Setters>​
</VisualState>

Is there any known reasons my GUIs controls change after changing to target version 17314, from 15063?

My application uses a pivot menu. The pivot menu items contain a user control which is a page, so you click on a pivot item, and it brings you to the detail page of that pivot, sort of like master/detail style.
I want to upgrade my target version to the version 17134, but when I do this I get some strange behavior with the controls. The border within the pivot in 15063 version adjusts its size depending on the content. In 17134, its not adjusting it's size to the content.
I've tried setting height=auto on scrollviewer which is the holder of the content presenter in the pivot.
I've tried many different things with heights on the various controls, but no luck. Any help is much appreciated.
This is the pivot
<Control.Resources>
<vmc:NullableIntToIntConverter x:Key="NullableIntToIntConverter"/>
<Style TargetType="PivotHeaderItem">
<Setter Property="FontFamily" Value="Segoe UI" />
<Setter Property="FontWeight" Value="{ThemeResource PivotHeaderItemThemeFontWeight}" />
<Setter Property="FontSize" Value="20" />
<Setter Property="CharacterSpacing" Value="{ThemeResource PivotHeaderItemCharacterSpacing}" />
<Setter Property="Background" Value="#477DAC" />
<!--6B84AA-->
<Setter Property="Foreground" Value="White"/>
<Setter Property="Padding" Value="{ThemeResource PivotHeaderItemMargin}" />
<Setter Property="Height" Value="35" />
<Setter Property="VerticalContentAlignment" Value="Center" />
<Setter Property="IsTabStop" Value="False" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="PivotHeaderItem">
<Grid x:Name="Grid" Background="{TemplateBinding Background}">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="SelectionStates">
<VisualStateGroup.Transitions>
</VisualStateGroup.Transitions>
<VisualState x:Name="Disabled">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledBaseMediumLowBrush}" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Unselected" />
<VisualState x:Name="UnselectedLocked">
</VisualState>
<VisualState x:Name="Selected">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="Transparent" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="Black" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="FontWeight">
<DiscreteObjectKeyFrame KeyTime="0" Value="Bold" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid" Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="UnselectedPointerOver">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseMediumHighBrush}" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="SelectedPointerOver">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseMediumHighBrush}" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid" Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="FontWeight">
<DiscreteObjectKeyFrame KeyTime="0" Value="Bold" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="UnselectedPressed">
<Storyboard>
</Storyboard>
</VisualState>
<VisualState x:Name="SelectedPressed">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseMediumHighBrush}" />
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid" Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<ContentPresenter x:Name="ContentPresenter" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}" Margin="{TemplateBinding Padding}" FontSize="{TemplateBinding FontSize}" FontFamily="{TemplateBinding FontFamily}" FontWeight="{TemplateBinding FontWeight}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
<ContentPresenter.RenderTransform>
<TranslateTransform x:Name="ContentPresenterTranslateTransform" />
</ContentPresenter.RenderTransform>
</ContentPresenter>
<Border x:Name="TopLine" Height="2" Background="#D3D3D3" VerticalAlignment="Top" HorizontalAlignment="Stretch" />
<Border x:Name="BottomLine" Height="2" Background="#D3D3D3" VerticalAlignment="Bottom" HorizontalAlignment="Stretch" />
<Border x:Name="RightLine" Width="1" Background="#D3D3D3" VerticalAlignment="Stretch" HorizontalAlignment="Right" Height="{TemplateBinding Height}" />
<Border x:Name="LeftLine" Width="1" Background="#D3D3D3" VerticalAlignment="Stretch" HorizontalAlignment="Left" Height="{TemplateBinding Height}" />
<Border x:Name="SelectedLine" Height="2" VerticalAlignment="Bottom" HorizontalAlignment="Stretch" Background="#D3D3D3" Margin="15,0,0,0" />
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<StackPanel>
<Border BorderBrush="#477DAC" BorderThickness="1,1,1,1" Margin="0,0,0,0" >
<Pivot Name="pvtSecondLevel" SelectedIndex="{Binding SelectedIndex, Mode=TwoWay}" Background="#FFFFFF" ManipulationMode="None" Padding="0" >
<Pivot.HeaderTemplate>
<DataTemplate x:DataType="models:MenuItem">
<TextBlock Text="{Binding HeaderTitle, Mode=OneWay}"/>
</DataTemplate>
</Pivot.HeaderTemplate>
<Pivot.ItemTemplate >
<DataTemplate x:DataType="models:MenuItem" >
<ScrollViewer >
<ContentPresenter Content="{Binding Content}" />
</ScrollViewer>
</DataTemplate>
</Pivot.ItemTemplate>
</Pivot>
</Border>
</StackPanel>
This is a general page template all of the pages follow, which is the Content in the pivot
<local:BaseControl
x:Class="LD75ClaimSystem.UI.View.IncomeDetailsView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="using:LD75ClaimSystem.UI.View"
xmlns:grid="using:Telerik.UI.Xaml.Controls.Grid"
xmlns:vm="using:LD75ClaimSystem.UI.ViewModel"
mc:Ignorable="d"
<StackPanel DataContext="{StaticResource VM}" >
<Grid Margin="10,0,0,0">
<Button Content="Add Income" Margin="0,10,0,0" />
<ComboBox Header="Claim" Grid.Column="2"/>
</Grid>
<grid:RadDataGrid Name="DetailsGrid">
<grid:RadDataGrid.Columns>
</grid:RadDataGrid.Columns>
</grid:RadDataGrid>
</StackPanel>
</local:BaseControl>
This is the expected behavior, and the behavior with version 15063. If i take the grid out, the border will adjust its size to fit the content.
This is the result of version 17314. The border does not adjust to the size anymore, and seems to be controlled by magic, as it does it's own thing.
UPDATE
After downloading the sdk for 16299, the unexpected behaviors went away. The target version 17134 still causes the unexpected behavior.
https://imgur.com/a/ZZfa09I

I'm not an expert at RadDataGrid but it seems to me from looking at this question/answer for it (https://www.telerik.com/forums/raddatagrid-and-scroll-bar), it contains its own ScrollViewer for data. That means you don't need the ScrollViewer in your Pivot's DataTemplate.
Second, your StackPanel inside your BaseControl won't tell the containing controls what its Height is... because it will keep expanding to fit the contents. So, your RadDataGrid is not using its ScrollViewer at all in this case. I'd expect your weird height/margin issues to be related to how the different versions of the 'ScrollViewer' / 'StackPanel' and RadDataGrid negotiate their respective sizes.
It might go away if you remove the ScrollViewer and replace the StackPanel with a Grid containing two RowDefinitions... one with Auto height and the second with * height.
Something like this:
<local:BaseControl
x:Class="LD75ClaimSystem.UI.View.IncomeDetailsView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="using:LD75ClaimSystem.UI.View"
xmlns:grid="using:Telerik.UI.Xaml.Controls.Grid"
xmlns:vm="using:LD75ClaimSystem.UI.ViewModel"
mc:Ignorable="d"
<Grid DataContext="{StaticResource VM}" >
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<Button Content="Add Income" Margin="10,10,0,0" />
<ComboBox Header="Claim" HorizontalAlignment="Right" Margin="0,10,10,0"/>
<grid:RadDataGrid Name="DetailsGrid" Grid.Row="1">
<grid:RadDataGrid.Columns>
</grid:RadDataGrid.Columns>
</grid:RadDataGrid>
</StackPanel>
</local:BaseControl>

Xamarin : Segmented Control for windows uwp

How can I make a custom renderer for Segmented Control in windows UWP. I followed this link to custom render the segmented control in IOS and android. But I couldn't find anything for windows UWP. Can anyone provide any resource in this or is there any alternate way of doing this similar to segmented control in windows UWP.

I found the Solution myself.
I recently found a nuget package FreshEssentials. It has the implementation of segmented button group. Follow this github link to find the implementation. It is easy to use.

There is a Xamarin Forms cross platform library now that does this.
Plugin Segmented Control for .NET Standard

I did it once with custom-styled RadioButtons. Edit the RadioButton style for your buttons - create checked and unchecked styles that are looking as you want and give them the same group so you can select only one button at the time.
Don't know if there is any easier way.
edit: sampe code, edit it the way you want:
<Page.Resources>
<Style x:Key="RadioButtonStyle1" TargetType="RadioButton">
<Setter Property="Background" Value="Transparent"/>
<Setter Property="Foreground" Value="{ThemeResource RadioButtonContentForegroundThemeBrush}"/>
<Setter Property="Padding" Value="0,0,0,0"/>
<Setter Property="HorizontalAlignment" Value="Center"/>
<Setter Property="VerticalAlignment" Value="Stretch"/>
<Setter Property="HorizontalContentAlignment" Value="Center"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="FontFamily" Value="{ThemeResource ContentControlThemeFontFamily}"/>
<Setter Property="FontSize" Value="{ThemeResource ControlContentThemeFontSize}"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="RadioButton">
<Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"
Background="{TemplateBinding Background}">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal"/>
<VisualState x:Name="PointerOver">
</VisualState>
<VisualState x:Name="Pressed">
</VisualState>
<VisualState x:Name="Disabled">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="BackgroundRectangle">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource RadioButtonDisabledBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="ContentPresenter">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource RadioButtonContentDisabledForegroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="CheckStates">
<VisualState x:Name="Checked">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="BackgroundRectangle">
<DiscreteObjectKeyFrame KeyTime="0" Value="Blue"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="ContentPresenter">
<DiscreteObjectKeyFrame KeyTime="0" Value="White"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Unchecked">
</VisualState>
<VisualState x:Name="Indeterminate"/>
</VisualStateGroup>
<VisualStateGroup x:Name="FocusStates">
<VisualState x:Name="Focused">
<Storyboard>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="FocusVisualWhite"/>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="FocusVisualBlack"/>
</Storyboard>
</VisualState>
<VisualState x:Name="Unfocused"/>
<VisualState x:Name="PointerFocused"/>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid HorizontalAlignment="Stretch">
<Grid x:Name="BackgroundRectangle" Background="Transparent">
<Border BorderThickness="1" BorderBrush="White" Margin="0" HorizontalAlignment="Stretch">
<Rectangle Margin="0" StrokeThickness="{ThemeResource RadioButtonBorderThemeThickness}" HorizontalAlignment="Stretch" UseLayoutRounding="False"/>
</Border>
<TextBlock VerticalAlignment="Center" HorizontalAlignment="Center" x:Name="Title"></TextBlock>
</Grid>
<ContentPresenter x:Name="ContentPresenter" Foreground="White" AutomationProperties.AccessibilityView="Raw"
ContentTemplate="{TemplateBinding ContentTemplate}" ContentTransitions="{TemplateBinding ContentTransitions}"
Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Page.Resources>
<Grid Height="40" Background="Black" BorderThickness="0">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="10"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="10"/>
</Grid.ColumnDefinitions>
<RadioButton Height="30" Content="Button1" Grid.Column="1" Style="{StaticResource RadioButtonStyle1}" GroupName="MainGroup" Checked="Button1_OnChecked"></RadioButton>
<RadioButton Height="30" Content="Button2" Grid.Column="2" Style="{StaticResource RadioButtonStyle1}" GroupName="MainGroup" Checked="Button2_OnChecked"></RadioButton>
<RadioButton Height="30" Content="Button3" Grid.Column="3" Style="{StaticResource RadioButtonStyle1}" GroupName="MainGroup" Checked="Button3_OnChecked"></RadioButton>
<RadioButton Height="30" Content="Button4" Grid.Column="4" Style="{StaticResource RadioButtonStyle1}" GroupName="MainGroup" Checked="Button4_OnChecked"></RadioButton>
</Grid>

Customizing selected ListboxItem

I have a ListBox (actually, i have a Telerik's RadJumpList, but afaik it is inherited from ListBox) with custom ItemContainerStyle. Each item contains a rectangle (tile) and 2 strings. So far, it works okay by default: when i'm selecting an item, color of strings is changing, and rectangle has const color.
<DataTemplate x:Key="DataTemplate1">
<Grid Margin="0,0,12,12">
<Rectangle
x:Name="SlotTile"
Width="99" Height="99" Fill="Gray"/>
<StackPanel Grid.Row="0">
<TextBlock
FontWeight="Black"
FontSize="{StaticResource PhoneFontSizeSmall}"
Text="{Binding Title, Converter={StaticResource ToUpperConverter}}" />
<TextBlock
FontFamily="{StaticResource PhoneFontFamilySemiBold}"
FontSize="{StaticResource PhoneFontSizeSmall}"
Text="{Binding Information}" />
</StackPanel>
</Grid>
</DataTemplate>
What i want to do now is to customize selected item: tile's color should be changed, while color of the strings should be the same.
I'm trying to set a custom style, using VisualStateManager, but i have no idea how to get rectangle's and string's color.
<Style x:Name="MySlotStyle" TargetType="ListBoxItem">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListBoxItem">
<Grid
Background="{TemplateBinding Background}">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="SelectionStates">
<VisualState x:Name="Selected">
<Storyboard>
<ColorAnimation
Storyboard.TargetName=""
Storyboard.TargetProperty=""
/>
</Storyboard>
</VisualState>
<VisualState x:Name="Unelected">
<Storyboard>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
So, the question is how to set DataTemplate's properties from the Style.
EDIT: uploaded a sample: http://1drv.ms/1cJrjZ4
EDIT2: i extracted (and modified a bit) a style from checkbox: http://pastebin.com/2JV7d5We
They are describing the control inside of the ControlTemplate.
So, i planned to get rid of DataTemplate and move everything to the Style.Template.ControlTemplate. Now, when i'm trying to create a Template binding to a new property (color of the rectangle), it says "the member fill is not recognized".
<Style x:Name="TestStyle" TargetType="ListBoxItem">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListBoxItem">
<Grid Margin="0,0,12,12">
<VisualStateManager.VisualStateGroups>
****
<VisualStateGroup x:Name="SelectionStates">
<VisualState x:Name="Unselected"/>
<VisualState x:Name="Selected">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="SlotTile" Storyboard.TargetProperty="Fill">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PhoneAccentBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Description" Storyboard.TargetProperty="TextForeground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource BlackBrush}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Rectangle
x:Name="SlotTile"
Width="99" Height="99"
Fill="{TemplateBinding Fill}"/>
<TextBlock
x:Name="Description"
Foreground="{TepmlateBinding TextForeground}"
Text="{Binding Title}" />
****
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>

You should edit a copy of the ItemContainerStyle style and put your grid that acts as your container inside it. Then you can edit the VisualState.Selected storyboard and set the target as your Rectangle and the TargetProperty as Fill.
Here is the XAML code for the ItemContainerStyle:
<Style x:Key="ItemContainerCustomStyle" TargetType="ListBoxItem">
<Setter Property="Background" Value="Transparent"/>
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="BorderBrush" Value="Transparent"/>
<Setter Property="Padding" Value="0"/>
<Setter Property="HorizontalContentAlignment" Value="Left"/>
<Setter Property="VerticalContentAlignment" Value="Top"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListBoxItem">
<Border x:Name="LayoutRoot" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" HorizontalAlignment="{TemplateBinding HorizontalAlignment}" VerticalAlignment="{TemplateBinding VerticalAlignment}">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal"/>
<VisualState x:Name="MouseOver"/>
<VisualState x:Name="Disabled">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="LayoutRoot">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource TransparentBrush}"/>
</ObjectAnimationUsingKeyFrames>
<DoubleAnimation Duration="0" To=".5" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="ContentContainer"/>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="SelectionStates">
<VisualState x:Name="Unselected"/>
<VisualState x:Name="Selected">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="SlotTile">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PhoneAccentBrush}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid Margin="0,0,12,12">
<Rectangle
x:Name="SlotTile"
Width="99" Height="99" />
<ContentControl x:Name="ContentContainer" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" Foreground="{TemplateBinding Foreground}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
EDIT: you could even simplify it by using the Border container element from the default style. Thus you can remove the Grid and Rectangle elements.
<Style x:Key="ItemContainerCustomStyle" TargetType="ListBoxItem">
<Setter Property="Background" Value="Transparent"/>
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="BorderBrush" Value="Transparent"/>
<Setter Property="Padding" Value="0"/>
<Setter Property="HorizontalContentAlignment" Value="Left"/>
<Setter Property="VerticalContentAlignment" Value="Top"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListBoxItem">
<Border Width="99" Height="99" x:Name="LayoutRoot" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" HorizontalAlignment="{TemplateBinding HorizontalAlignment}" VerticalAlignment="{TemplateBinding VerticalAlignment}">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal"/>
<VisualState x:Name="MouseOver"/>
<VisualState x:Name="Disabled">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="LayoutRoot">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource TransparentBrush}"/>
</ObjectAnimationUsingKeyFrames>
<DoubleAnimation Duration="0" To=".5" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="ContentContainer"/>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="SelectionStates">
<VisualState x:Name="Unselected"/>
<VisualState x:Name="Selected">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="LayoutRoot">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PhoneAccentBrush}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<ContentControl x:Name="ContentContainer" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" Foreground="{TemplateBinding Foreground}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>

Can't you set those properties by name?
<ColorAnimation
Storyboard.TargetName="SlotTile"
Storyboard.TargetProperty="Fill"
...
/>
How to customize the WP7 ListBox Selected Item | Part1
How to customize the WP7 ListBox Selected Item | Part2

Create a mouse hover effect in buttons using XAML

I am making a Windows 8 store app, and I want a HyperlinkButton that changes its color whenever it is clicked or mouse is hovered over it. Please provide me with its whole coding. I have looked everywhere, but none are working for my project. I am using Visual Studio Ultimate 2012.

Okay, right out of the box, here's the full implementation (Windows 8.1):
<Button Style="{StaticResource TextBlockButtonStyle}">Hello World</Button>
First, I recommend that you do not attempt to customize the colors. This helps ensure a level of visual alignment with your app and the rest of the ecosystem. So, you might tweak the look and feel by changing the theme like this:
<Button RequestedTheme="Dark"
Style="{StaticResource TextBlockButtonStyle}">Hello World</Button>
<Button RequestedTheme="Light"
Style="{StaticResource TextBlockButtonStyle}">Hello World</Button>
However, sometimes you must customize more. I get that. So, if you want to customize those colors, you will need to override the theme. Like this (in app.xaml):
<Application.Resources>
<ResourceDictionary>
<ResourceDictionary.ThemeDictionaries>
<ResourceDictionary x:Key="Dark">
<!-- normal -->
<SolidColorBrush x:Key="ButtonForegroundThemeBrush" Color="Blue" />
<SolidColorBrush x:Key="ButtonBackgroundThemeBrush" Color="Transparent" />
<!-- hover -->
<SolidColorBrush x:Key="ButtonPointerOverForegroundThemeBrush" Color="Red" />
<SolidColorBrush x:Key="ButtonPointerOverBackgroundThemeBrush" Color="Transparent" />
<!-- pressed -->
<SolidColorBrush x:Key="ButtonPressedForegroundThemeBrush" Color="White" />
<SolidColorBrush x:Key="ButtonPressedBackgroundThemeBrush" Color="Red" />
</ResourceDictionary>
</ResourceDictionary.ThemeDictionaries>
</ResourceDictionary>
</Application.Resources>
Runny enough, I asked a similar question a while back Simple hover effect in XAML?
Best of luck!

You have two choice. Either you can customize the default style of HyperlinkButton or you can change the value of required default system brush (This will create effect to all HyperlinkButton).
System brush of HyperlinkButton.
<SolidColorBrush x:Key="HyperlinkButtonBackgroundThemeBrush" Color="Transparent" />
<SolidColorBrush x:Key="HyperlinkButtonBorderThemeBrush" Color="Transparent" />
<SolidColorBrush x:Key="HyperlinkDisabledThemeBrush" Color="#66FFFFFF" />
<SolidColorBrush x:Key="HyperlinkForegroundThemeBrush" Color="#FF9C72FF" />
<SolidColorBrush x:Key="HyperlinkPointerOverForegroundThemeBrush" Color="#CC9C72FF" />
<SolidColorBrush x:Key="HyperlinkPressedForegroundThemeBrush" Color="#999C72FF" />
Default Style
<Style TargetType="HyperlinkButton">
<Setter Property="Foreground" Value="{StaticResource HyperlinkForegroundThemeBrush}" />
<Setter Property="Background" Value="{StaticResource HyperlinkButtonBackgroundThemeBrush}" />
<Setter Property="BorderBrush" Value="{StaticResource HyperlinkButtonBorderThemeBrush}" />
<Setter Property="BorderThickness" Value="{StaticResource HyperlinkButtonBorderThemeThickness}" />
<Setter Property="Padding" Value="12,4,12,5" />
<Setter Property="HorizontalAlignment" Value="Left" />
<Setter Property="VerticalAlignment" Value="Center" />
<Setter Property="FontFamily" Value="{StaticResource ContentControlThemeFontFamily}" />
<Setter Property="FontWeight" Value="SemiBold" />
<Setter Property="FontSize" Value="{StaticResource ControlContentThemeFontSize}" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="HyperlinkButton">
<Grid>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal" />
<VisualState x:Name="PointerOver">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource HyperlinkPointerOverForegroundThemeBrush}" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Pressed">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource HyperlinkPressedForegroundThemeBrush}" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Disabled">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource HyperlinkDisabledThemeBrush}" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="FocusStates">
<VisualState x:Name="Focused">
<Storyboard>
<DoubleAnimation Storyboard.TargetName="FocusVisualWhite"
Storyboard.TargetProperty="Opacity"
To="1"
Duration="0" />
<DoubleAnimation Storyboard.TargetName="FocusVisualBlack"
Storyboard.TargetProperty="Opacity"
To="1"
Duration="0" />
</Storyboard>
</VisualState>
<VisualState x:Name="Unfocused" />
<VisualState x:Name="PointerFocused" />
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Border x:Name="Border"
Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
Margin="3">
<ContentPresenter x:Name="ContentPresenter"
Content="{TemplateBinding Content}"
ContentTransitions="{TemplateBinding ContentTransitions}"
ContentTemplate="{TemplateBinding ContentTemplate}"
Margin="{TemplateBinding Padding}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
</Border>
<Rectangle x:Name="FocusVisualWhite"
IsHitTestVisible="False"
Stroke="{StaticResource FocusVisualWhiteStrokeThemeBrush}"
StrokeEndLineCap="Square"
StrokeDashArray="1,1"
Opacity="0"
StrokeDashOffset="1.5" />
<Rectangle x:Name="FocusVisualBlack"
IsHitTestVisible="False"
Stroke="{StaticResource FocusVisualBlackStrokeThemeBrush}"
StrokeEndLineCap="Square"
StrokeDashArray="1,1"
Opacity="0"
StrokeDashOffset="0.5" />
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
HyperlinkButton styles and templates