<PackageReference Include="System.Text.Encoding.CodePages" Version="4.6.0-preview6.19303.8" />

EncoderNLS

class EncoderNLS : Encoder
protected EncodingNLS m_encoding

protected bool m_mustFlush

public Encoding Encoding { get; }

public EncoderFallbackBuffer FallbackBuffer { get; }

public bool MustFlush { get; }

public void Convert(Char* chars, int charCount, Byte* bytes, int byteCount, bool flush, out int charsUsed, out int bytesUsed, out bool completed)

public int GetByteCount(Char* chars, int count, bool flush)

public int GetBytes(Char* chars, int charCount, Byte* bytes, int byteCount, bool flush)