git_bsmd/ENI2/ControlTemplates.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:local="clr-namespace:ENI2">
    
    <ControlTemplate x:Key="groupBoxTemplateError" TargetType="{x:Type GroupBox}">
        <Grid SnapsToDevicePixels="True">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="6" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="6" />
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="*" />
                <RowDefinition Height="6" />
            </Grid.RowDefinitions>
            <Border BorderThickness="{TemplateBinding Border.BorderThickness}" CornerRadius="4,4,4,4" BorderBrush="#00FFFFFF" Background="{TemplateBinding Panel.Background}" Grid.Column="0" Grid.Row="1" Grid.ColumnSpan="4" Grid.RowSpan="3" />
            <Border BorderThickness="{TemplateBinding Border.BorderThickness}" CornerRadius="4,4,4,4" BorderBrush="#FFFFFFFF" OpacityMask="{x:Null}" Grid.Row="1" Grid.ColumnSpan="4" Grid.RowSpan="3">
                <Border BorderThickness="{TemplateBinding Border.BorderThickness}" CornerRadius="3,3,3,3" BorderBrush="{TemplateBinding Border.BorderBrush}">
                    <Border Background="#FFFFDDDD" BorderThickness="{TemplateBinding Border.BorderThickness}" CornerRadius="2,2,2,2" BorderBrush="#FFFFFFFF" />
                </Border>
            </Border>
            <Border Padding="3,0,3,0" Name="Header" Grid.Column="1" Grid.Row="0" Grid.RowSpan="2" Background="#FFFFBBBB" BorderThickness="1" BorderBrush="{TemplateBinding BorderBrush}" CornerRadius="3" >
                <ContentPresenter RecognizesAccessKey="True" Content="{TemplateBinding HeaderedContentControl.Header}" ContentTemplate="{TemplateBinding HeaderedContentControl.HeaderTemplate}" ContentStringFormat="{TemplateBinding HeaderedContentControl.HeaderStringFormat}" ContentSource="Header" SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" />
            </Border>
            <ContentPresenter Content="{TemplateBinding ContentControl.Content}" ContentTemplate="{TemplateBinding ContentControl.ContentTemplate}" ContentStringFormat="{TemplateBinding ContentControl.ContentStringFormat}" Margin="{TemplateBinding Control.Padding}" SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" Grid.Column="1" Grid.Row="2" Grid.ColumnSpan="2" />
        </Grid>
    </ControlTemplate>

    <ControlTemplate x:Key="groupBoxTemplateViolation" TargetType="{x:Type GroupBox}">
        <Grid SnapsToDevicePixels="True">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="6" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="6" />
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="*" />
                <RowDefinition Height="6" />
            </Grid.RowDefinitions>
            <Border BorderThickness="{TemplateBinding Border.BorderThickness}" CornerRadius="4,4,4,4" BorderBrush="#00FFFFFF" Background="{TemplateBinding Panel.Background}" Grid.Column="0" Grid.Row="1" Grid.ColumnSpan="4" Grid.RowSpan="3" />
            <Border BorderThickness="{TemplateBinding Border.BorderThickness}" CornerRadius="4,4,4,4" BorderBrush="#FFFFFF00" OpacityMask="{x:Null}" Grid.Row="1" Grid.ColumnSpan="4" Grid.RowSpan="3">
                <Border BorderThickness="{TemplateBinding Border.BorderThickness}" CornerRadius="3,3,3,3" BorderBrush="{TemplateBinding Border.BorderBrush}">
                    <Border BorderThickness="{TemplateBinding Border.BorderThickness}" CornerRadius="2,2,2,2" BorderBrush="#FFFFFFDD" />
                </Border>
            </Border>
            <Border Padding="3,1,3,0" Name="Header" Grid.Column="1" Grid.Row="0" Grid.RowSpan="2" Background="#FFFFFFAA" BorderThickness="1" BorderBrush="{TemplateBinding BorderBrush}" CornerRadius="3">
                <ContentPresenter RecognizesAccessKey="True" Content="{TemplateBinding HeaderedContentControl.Header}" ContentTemplate="{TemplateBinding HeaderedContentControl.HeaderTemplate}" ContentStringFormat="{TemplateBinding HeaderedContentControl.HeaderStringFormat}" ContentSource="Header" SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" />
            </Border>
            <ContentPresenter Content="{TemplateBinding ContentControl.Content}" ContentTemplate="{TemplateBinding ContentControl.ContentTemplate}" ContentStringFormat="{TemplateBinding ContentControl.ContentStringFormat}" Margin="{TemplateBinding Control.Padding}" SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" Grid.Column="1" Grid.Row="2" Grid.ColumnSpan="2" />
        </Grid>
    </ControlTemplate>

    <Style TargetType="{x:Type ToolTip}" >

        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="HasDropShadow" Value="True" />
        <!--Setter Property="Foreground" Value="White" /-->
        <Setter Property="FontSize" Value="14" />
        <Setter Property="Placement" Value="Mouse" />
        <!--Setter Property="VerticalOffset" Value="0" /-->
        <Setter Property="Padding" Value="8" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />

        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ToolTip}" >
                    <Border Name="Border" BorderThickness="1.5" CornerRadius="3"
                        Width="{TemplateBinding Width}"
                        Height="{TemplateBinding Height}">
                        <Border.Background>
                            <SolidColorBrush Color="#FFF8F8EE" />
                        </Border.Background>
                        <Border.BorderBrush>
                            <SolidColorBrush Color="#FF888888" />
                        </Border.BorderBrush>
                        <ContentPresenter Margin="4" HorizontalAlignment="Left" VerticalAlignment="Top" />
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

</ResourceDictionary>