当你使用

因为您的C ++ typedef lines all use char ，not wchar_t ，you need

Because your C++ typedef lines all use char, not wchar_t, you need

[StructLayout(LayoutKind::Sequential, CharSet = CharSet::Ansi)]

如果编组人员不正确地使用Unicode，它将为每个字符串写入两倍的数据，溢出缓冲区并破坏附近的内存。

If the marshaller incorrectly uses Unicode, it will write twice as much data for each string as it should, overflowing the buffer and corrupting nearby memory.