我有应用模板到我的复选框麻烦。我有以下的模板:麻烦将一个简单的模板
<ControlTemplate x:Key="TriStateRed" TargetType="{x:Type CheckBox}">
<ControlTemplate.Triggers>
<Trigger Property="IsChecked" Value="{x:Null}" >
<Setter TargetName="path" Property="Data" Value="M 0 2.5 A 5 2.5 0 1 1 5 5 L 5 8 M 5 10 L 5 10" />
<Setter TargetName="path" Property="Stroke" Value="Red" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
然而,视觉工作室给了我以下错误:
Cannot find the Trigger target 'path'. (The target must appear before any Setters, Triggers, or Conditions that use it.)
任何人都可以理解这一点?