<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  
      <ResourceDictionary.MergedDictionaries>
          <ResourceDictionary Source="Brushes.xaml" />
      </ResourceDictionary.MergedDictionaries>
  
      <Style x:Key="{x:Type ToolTip}"
             TargetType="ToolTip">
          <Setter Property="OverridesDefaultStyle"
                  Value="true" />
          <Setter Property="SnapsToDevicePixels"
                  Value="true" />
          <Setter Property="Template">
              <Setter.Value>
                  <ControlTemplate TargetType="ToolTip">
                      <Border Name="Border"
                              CornerRadius="2"
                              Background="#FFFFFFDD"
                              BorderBrush="Black"
                              BorderThickness="1"
                              Width="{TemplateBinding Width}"
                              Height="{TemplateBinding Height}">
                          <ContentPresenter Margin="3"
                                            HorizontalAlignment="Left"
                                            VerticalAlignment="Top" />
                      </Border>
                  </ControlTemplate>
              </Setter.Value>
          </Setter>
      </Style>
  
  </ResourceDictionary>