这可能已在 .NET Core 3 中修复，但在此之前，可以使用以下解决方法:

This has presumably been fixed in .NET Core 3, but until then, the following workarounds are available:

• 避免自动实现的属性；改用完整的属性或公共字段.(为了抑制编译器警告，我使用了 [SuppressMessage("", "IDE0032", Justification = "https://github.com/dotnet/core/issues/2981")] for这个目的.
• 在同一个程序集或一些公共程序集中定义自定义System.Runtime.CompilerServices.IsReadOnlyAttribute.

• Avoid auto-implemented properties; use full properties, or public fields instead. (In order to suppress the compiler warning, I used [SuppressMessage("", "IDE0032", Justification = "https://github.com/dotnet/core/issues/2981")] for this purpose.
• Define a custom System.Runtime.CompilerServices.IsReadOnlyAttribute in the same assembly or some common assembly.

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