XAML-Map-Control/MapControl/Themes/Generic.xaml

<ResourceDictionary	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
	                xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	                xmlns:map="clr-namespace:MapControl">
    <Style x:Key="{x:Type map:MapItemsControl}" TargetType="{x:Type map:MapItemsControl}">
        <Setter Property="ItemsPanel">
            <Setter.Value>
                <ItemsPanelTemplate>
                    <map:MapPanel/>
                </ItemsPanelTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style x:Key="{x:Type map:MapItem}" TargetType="{x:Type map:MapItem}">
        <Setter Property="SnapsToDevicePixels" Value="True"/>
        <Setter Property="HorizontalAlignment" Value="Left"/>
        <Setter Property="VerticalAlignment" Value="Bottom"/>
        <Setter Property="Padding" Value="3"/>
        <Setter Property="Background" Value="White"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type map:MapItem}">
                    <Grid>
                        <VisualStateManager.VisualStateGroups>
                            <VisualStateGroup x:Name="CommonStates">
                                <VisualState x:Name="Normal"/>
                                <VisualState x:Name="Disabled">
                                    <Storyboard>
                                        <DoubleAnimation Storyboard.TargetName="contentPresenter" Storyboard.TargetProperty="Opacity" Duration="0" To=".55"/>
                                    </Storyboard>
                                </VisualState>
                                <VisualState x:Name="MouseOver">
                                    <Storyboard>
                                        <DoubleAnimation Storyboard.TargetName="mouseOverRect" Storyboard.TargetProperty="Opacity" Duration="0" To=".35"/>
                                    </Storyboard>
                                </VisualState>
                            </VisualStateGroup>
                            <VisualStateGroup x:Name="SelectionStates">
                                <VisualState x:Name="Unselected"/>
                                <VisualState x:Name="Selected"/>
                            </VisualStateGroup>
                            <VisualStateGroup x:Name="CurrentStates">
                                <VisualState x:Name="NonCurrent"/>
                                <VisualState x:Name="Current"/>
                            </VisualStateGroup>
                        </VisualStateManager.VisualStateGroups>
                        <Grid.RowDefinitions>
                            <RowDefinition/>
                            <RowDefinition Height="Auto"/>
                        </Grid.RowDefinitions>
                        <Path Grid.Row="1" Margin="0,-1,0,0" Fill="{TemplateBinding Background}" Data="M 0,0 L 0,16 16,0"/>
                        <Rectangle Fill="{TemplateBinding Background}"/>
                        <ContentPresenter x:Name="contentPresenter" Margin="{TemplateBinding Padding}"
                                          Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}"/>
                        <Rectangle x:Name="mouseOverRect" Margin="{TemplateBinding Padding}" Fill="White" Opacity="0"/>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</ResourceDictionary>