如何将样式中的BasedOn标记指定为某些其他文件中定义的样式.
例,
Dictionary1.xaml定义
<Style x:Key="basicStyle" TargetType="TextBlock" >
<Setter Property="FontSize" Value="24"></Setter>
<Setter Property="Foreground" Value="DarkGray"></Setter>
<Setter Property="FontWeight" Value="Bold"></Setter>
</Style>
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在Dictionary2.xaml中我需要类似的东西
<Style x:Key="headerStyle" TargetType="TextBlock" >
<Setter Property="FontSize" Value="46"></Setter>
<Setter Property="Foreground" Value="DarkGray"></Setter>
<Setter Property="FontWeight" Value="Bold"></Setter>
</Style>
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怎么做到这一点?