StringResource.CustomMenu.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:system="clr-namespace:System;assembly=mscorlib"
                    xml:space="preserve">
    <!--字符串换行 必须添加 xml:space="preserve" -->
    <!--字符串换行 换行符 &#10; -->
    
    <system:String x:Key="str.CustomMenu.MainEdit">Layout</system:String>
</ResourceDictionary>