BPASmartClient/BPASmartClient.CustomResource/RecDictionarys/RecGroupBox.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <!--#region GroupBox样式-->
    <BorderGapMaskConverter x:Key="BorderGapMaskConverter" />
    <Style x:Key="GroupBoxStyle1" TargetType="{x:Type GroupBox}">
        <Setter Property="BorderBrush" Value="#D5DFE5" />
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate 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
                            Grid.Row="1"
                            Grid.RowSpan="3"
                            Grid.Column="0"
                            Grid.ColumnSpan="4"
                            Background="{TemplateBinding Background}"
                            BorderBrush="Transparent"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            CornerRadius="0" />
                        <Border
                            Name="Header"
                            Grid.Row="0"
                            Grid.RowSpan="2"
                            Grid.Column="1"
                            Padding="3,1,3,0">
                            <ContentPresenter
                                ContentSource="Header"
                                RecognizesAccessKey="true"
                                SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                        </Border>
                        <ContentPresenter
                            Grid.Row="2"
                            Grid.Column="1"
                            Grid.ColumnSpan="2"
                            Margin="{TemplateBinding Padding}"
                            SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                        <Border
                            Grid.Row="1"
                            Grid.RowSpan="3"
                            Grid.ColumnSpan="4"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            CornerRadius="0">
                            <Border.OpacityMask>
                                <MultiBinding Converter="{StaticResource BorderGapMaskConverter}" ConverterParameter="7">
                                    <Binding ElementName="Header" Path="ActualWidth" />
                                    <Binding Path="ActualWidth" RelativeSource="{RelativeSource Self}" />
                                    <Binding Path="ActualHeight" RelativeSource="{RelativeSource Self}" />
                                </MultiBinding>
                            </Border.OpacityMask>
                        </Border>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <!--#endregion-->
</ResourceDictionary>