FPGACoder/HandyControl/HandyControl_Shared/Themes/Styles/Base/CheckBoxBaseStyle.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:hc="clr-namespace:HandyControl.Controls">

    <Style x:Key="CheckBoxBaseStyle" BasedOn="{StaticResource BaseStyle}" TargetType="CheckBox">
        <Setter Property="FocusVisualStyle">
            <Setter.Value>
                <Style>
                    <Setter Property="Control.Template">
                        <Setter.Value>
                            <ControlTemplate>
                                <Rectangle Margin="-4" Opacity=".6" SnapsToDevicePixels="true" Stroke="{DynamicResource SecondaryBorderBrush}" StrokeThickness="2" StrokeDashArray="1 1" RadiusX="4" RadiusY="4" />
                            </ControlTemplate>
                        </Setter.Value>
                    </Setter>
                </Style>
            </Setter.Value>
        </Setter>
        <Setter Property="Background" Value="White" />
        <Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}" />
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="HorizontalAlignment" Value="Stretch" />
        <Setter Property="VerticalAlignment" Value="Center" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="Padding" Value="6,0,0,0" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="CheckBox">
                    <ControlTemplate.Resources>
                        <Storyboard x:Key="StoryboardCheckedTrue">
                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.StrokeDashOffset)" Storyboard.TargetName="path">
                                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="0" />
                            </DoubleAnimationUsingKeyFrames>
                        </Storyboard>
                        <Storyboard x:Key="StoryboardCheckedFalse">
                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.StrokeDashOffset)" Storyboard.TargetName="path">
                                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="8" />
                            </DoubleAnimationUsingKeyFrames>
                        </Storyboard>
                    </ControlTemplate.Resources>
                    <Grid x:Name="templateRoot" Background="Transparent" SnapsToDevicePixels="True">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="Auto" />
                            <ColumnDefinition Width="*" />
                        </Grid.ColumnDefinitions>
                        <Border Height="16" Width="16" Background="{TemplateBinding Background}" CornerRadius="2" />
                        <hc:SimplePanel Grid.Column="0" Height="16" Width="16" x:Name="markGrid">
                            <Path FlowDirection="LeftToRight" UseLayoutRounding="True" x:Name="path" StrokeDashOffset="8" StrokeDashArray="8,8" Width="12" Height="12" Data="{StaticResource CheckedGeometry}" StrokeThickness="2" Stretch="Uniform" Stroke="{DynamicResource TextIconBrush}" />
                            <Rectangle x:Name="indeterminateMark" RadiusX="2" RadiusY="2" Fill="{DynamicResource PrimaryBrush}" Margin="2" Opacity="0" />
                        </hc:SimplePanel>
                        <Border Height="16" Width="16" x:Name="border" CornerRadius="2" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" />
                        <ContentPresenter x:Name="contentPresenter" Visibility="Collapsed" Grid.Column="1" Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
                    </Grid>
                    <ControlTemplate.Triggers>
                        <Trigger Property="HasContent" Value="true">
                            <Setter Property="Visibility" TargetName="contentPresenter" Value="Visible" />
                        </Trigger>
                        <Trigger Property="IsMouseOver" Value="true">
                            <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}" />
                        </Trigger>
                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="IsChecked" Value="true" />
                                <Condition Property="IsPressed" Value="true" />
                            </MultiTrigger.Conditions>
                            <Setter Property="Opacity" Value=".8" />
                        </MultiTrigger>
                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="IsChecked" Value="false" />
                                <Condition Property="IsPressed" Value="true" />
                            </MultiTrigger.Conditions>
                            <Setter Property="BorderBrush" Value="{DynamicResource PrimaryBrush}" />
                        </MultiTrigger>
                        <Trigger Property="IsChecked" Value="true">
                            <Trigger.EnterActions>
                                <BeginStoryboard Storyboard="{StaticResource StoryboardCheckedTrue}" />
                            </Trigger.EnterActions>
                            <Trigger.ExitActions>
                                <BeginStoryboard Storyboard="{StaticResource StoryboardCheckedFalse}" />
                            </Trigger.ExitActions>
                            <Setter Property="Opacity" TargetName="indeterminateMark" Value="0" />
                            <Setter Property="Background" Value="{DynamicResource PrimaryBrush}" />
                            <Setter Property="BorderBrush" Value="{DynamicResource DarkPrimaryBrush}" />
                            <Setter TargetName="border" Property="Visibility" Value="Collapsed" />
                        </Trigger>
                        <Trigger Property="IsChecked" Value="false">
                            <Setter Property="Stroke" Value="{DynamicResource BorderBrush}" TargetName="path" />
                        </Trigger>
                        <Trigger Property="IsChecked" Value="{x:Null}">
                            <Setter Property="Opacity" TargetName="indeterminateMark" Value="1" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Opacity" Value="0.4" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

</ResourceDictionary>