MARKUS

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <SolidColorBrush  x:Key="BlueRinseBrush" Color="#2A579A"/>

    <Style x:Key="GridViewColumnHeaderGripper"

         TargetType="Thumb">

      <Setter Property="Width" Value="18"/>

        <Setter Property="Background" Value="#FF6481AC"/>

      <Setter Property="Template">

          <Setter.Value>

              <ControlTemplate TargetType="{x:Type Thumb}">

                  <Border Padding="{TemplateBinding Padding}"

                          Background="Transparent">

                      <Rectangle HorizontalAlignment="Center"

                                 Width="3"

                          Fill="{TemplateBinding Background}"/>

                  </Border>

              </ControlTemplate>

          </Setter.Value>

      </Setter>

  </Style>

  <Style x:Key="GridViewColumnHeaderStyle"

         TargetType="GridViewColumnHeader">

        <Setter Property="Background" Value="Red"/>

        <Setter Property="HorizontalContentAlignment"

              Value="Center"/>

      <Setter Property="VerticalContentAlignment"

              Value="Center"/>

        <Setter Property="HorizontalAlignment" Value="Stretch"/>

        <Setter Property="Background"

              Value="{StaticResource BlueRinseBrush}"/>

      <Setter Property="Foreground"

              Value="{DynamicResource

                  {x:Static SystemColors.ControlTextBrushKey}}"/>

      <Setter Property="Template">

          <Setter.Value>

           <ControlTemplate

              TargetType="GridViewColumnHeader">

                  <Grid>

                        <Grid.ColumnDefinitions>

                            <ColumnDefinition/>

                        </Grid.ColumnDefinitions>

                      <Border Name="HeaderBorder"

                              BorderThickness="0"

                              BorderBrush="{StaticResource BlueRinseBrush}"

                              Background="{StaticResource BlueRinseBrush}"

                              Padding="2,0,0,0">

                          <ContentPresenter Name="HeaderContent"

                          TextElement.Foreground="White"

                          Margin="0,0,0,1"

                          VerticalAlignment="{TemplateBinding

                          VerticalContentAlignment}"

                          HorizontalAlignment="{TemplateBinding

                          HorizontalContentAlignment}"

                          RecognizesAccessKey="True"

                          SnapsToDevicePixels=

                          "{TemplateBinding SnapsToDevicePixels}"/>

                      </Border>

                      <Thumb x:Name="PART_HeaderGripper"

                          HorizontalAlignment="Right"

                          Margin="0,0,-9,0"

                          Style="{StaticResource

                          GridViewColumnHeaderGripper}"/>

                  </Grid>

                  <ControlTemplate.Triggers>

                      <Trigger Property="IsMouseOver" Value="true">

                          <Setter TargetName="HeaderBorder"

                            Property="Background" Value="Yellow"/>

                          <Setter TargetName="HeaderContent"

                            Property="TextElement.Foreground"

                            Value="Black"/>

                      </Trigger>

                  </ControlTemplate.Triggers>

              </ControlTemplate>

          </Setter.Value>

      </Setter>

  </Style>

    <Style x:Key="SimpleListViewStyle" TargetType="ListView">

        <Setter Property="GridView.ColumnHeaderContainerStyle" Value="{StaticResource GridViewColumnHeaderStyle}"/>

        <Setter Property="HorizontalContentAlignment" Value="Stretch" />

    </Style>

</ResourceDictionary>