<Border x:Class="MyHint" x:Name="PanBack"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:PCL"
             FocusVisualStyle="{x:Null}"
             UseLayoutRounding="True" SnapsToDevicePixels="True" HorizontalAlignment="Stretch" BorderThickness="3,0,0,0" BorderBrush="#99FF4444" CornerRadius="2">
    <Grid UseLayoutRounding="False" SnapsToDevicePixels="False">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1*" />
            <ColumnDefinition Width="Auto" />
        </Grid.ColumnDefinitions>
        <TextBlock IsHitTestVisible="False" x:Name="LabText" LineHeight="16" Margin="0,0,0,-1" Padding="12,9" VerticalAlignment="Center" TextWrapping="Wrap" />
        <local:MyIconButton x:Name="BtnClose" Visibility="Collapsed" Theme="Custom" Margin="0,0,8,0" Grid.Column="1" Height="20" Width="20" VerticalAlignment="Center" Logo="F1 M2,0 L0,2 8,10 0,18 2,20 10,12 18,20 20,18 12,10 20,2 18,0 10,8 2,0Z"
                           ToolTip="不再提示" ToolTipService.Placement="Center" ToolTipService.VerticalOffset="29" ToolTipService.HorizontalOffset="2" />
    </Grid>
</Border>