EncoderFallbackException public sealed class EncoderFallbackException : ArgumentException Documentation public char CharUnknown { get; } public char CharUnknownHigh { get; } public char CharUnknownLow { get; } public int Index { get; } public EncoderFallbackException() public EncoderFallbackException(string message) public EncoderFallbackException(string message, Exception innerException) public bool IsUnknownSurrogate()