wpf tooltip 样式自定义

 1 <Style BasedOn="{StaticResource {x:Type ToolTip}}" TargetType="ToolTip">
 2 <Setter Property="Template">
 3 <Setter.Value>
 4 <ControlTemplate TargetType="{x:Type ToolTip}">
 5 <Border Width="128"
 6 Height="98"
 7 BorderBrush="#FFDEE7F6"
 8 BorderThickness="1"
 9 CornerRadius="5">
10 <Border.Background>
11 <SolidColorBrush Opacity="0.8" Color="White" />
12 </Border.Background>
13 <Grid Margin="10,15,0,15">
14 <Grid.RowDefinitions>
15 <RowDefinition />
16 <RowDefinition />
17 <RowDefinition />
18 </Grid.RowDefinitions>
19 <TextBlock VerticalAlignment="Center" Text="{Binding Tag.CityName}" />
20 <TextBlock Grid.Row="1"
21 VerticalAlignment="Center"
22 Text="{Binding Tag.Total, StringFormat=总量：{0} 辆}" />
23 <TextBlock Grid.Row="2"
24 VerticalAlignment="Center"
25 Text="{Binding Tag.TodayCount, StringFormat=今日：{0} 辆}" />
26 </Grid>
27 </Border>
28 </ControlTemplate>
29 </Setter.Value>
30 </Setter>
31 </Style>

<Path Name="HaiNan"
Stroke="#FF113FBB"
StrokeThickness="0.5"
Tag="xxxxx">
<Path.ToolTip>
<ToolTip DataContext="{Binding Path=PlacementTarget, RelativeSource={x:Static RelativeSource.Self}}" />
</Path.ToolTip>

</Path >

把需要传入tooltip内的值付到对象的tag对象内，然后tooltip绑定tag作为数据上下文