
TextBoxErrorToolipStyle
  <Style x:Key="ControlBaseStyle" TargetType="{x:Type Control}">
        <Style.Triggers>
            <MultiTrigger>
                <MultiTrigger.Conditions>
                    <Condition Property="Control.IsEnabled" Value="False"/>
                    <Condition Property="Control.IsHitTestVisible" Value="True"/>
                </MultiTrigger.Conditions>
                <Setter Property="Control.Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}" />
            </MultiTrigger>
        </Style.Triggers>
    </Style>
  <Style x:Key="TextBoxErrorToolTipStyle" TargetType="{x:Type Control}" BasedOn="{StaticResource ControlBaseStyle}">
        <Style.Setters>
            <Setter Property="Control.ContextMenu" Value="{StaticResource TextBoxContextMenu}" />
            <Setter Property="Control.HorizontalAlignment" Value="Stretch"/>
            <Setter Property="Control.VerticalAlignment" Value="Center"/>
            <Setter Property="Control.Margin" Value="3,3"/>
        </Style.Setters>
        <Style.Triggers>
            <MultiTrigger>
                <MultiTrigger.Conditions>
                    <Condition Property="Validation.HasError" Value="True" />
                    <Condition Property="IsEnabled" Value="True" />
                </MultiTrigger.Conditions>
                <Setter Property="ToolTip"
                                    Value="{Binding RelativeSource={RelativeSource Self},
                                    Path=(Validation.Errors).CurrentItem.ErrorContent}"/>
                <Setter Property="Validation.ErrorTemplate" 
                        Value="{DynamicResource ValidationErrorTemplate}"/>
            </MultiTrigger>
        </Style.Triggers>
        
    </Style>
<ControlTemplate x:Key="ValidationErrorTemplate">
        <DockPanel LastChildFill="True">
            <Border BorderBrush="Red" BorderThickness="1">
                <AdornedElementPlaceholder Name="rangeErrorAdorner" Margin="-1,-1" />
            </Border>
        </DockPanel>
    </ControlTemplate>