For a fixed-size buffer, the type is a single-dimensional array of the element type of the buffer, as the buffer is declared in C#; for example, byte[] for fixed byte buffer[16]. Use TryGetFixedSizeBufferInfo(out IType, out int) to get the element type and length of the buffer.
byte[]forfixed byte buffer[16]. Use TryGetFixedSizeBufferInfo(out IType, out int) to get the element type and length of the buffer.