InputBindings:获取与此元素关联的输入绑定的集合。内容为一个或多个 InputBinding 元素(通常为 KeyBinding 或 MouseBinding 派生类)。
在WPF中TextBlock 是没有鼠标双击事件的,我们可以通过InputBindings解决
<TextBlock HorizontalAlignment="Right" Text="" Style="{StaticResource CloseBtnStyle}">
<TextBlock.InputBindings>
<MouseBinding Command="{Binding CloseCommand}"
CommandParameter="{Binding Path=.,RelativeSource={RelativeSource AncestorType=Window}}"
MouseAction="LeftClick">
</MouseBinding>
</TextBlock.InputBindings>
</TextBlock>