namespace System.Text { internal class DBCSCodePageEncoding : BaseCodePageEncoding { protected unsafe char* mapBytesToUnicode; protected unsafe ushort* mapUnicodeToBytes; protected const char UNKNOWN_CHAR_FLAG = ''; protected const char UNICODE_REPLACEMENT_CHAR = '�'; protected const char LEAD_BYTE_CHAR = '￾'; protected char charUnknown; public DBCSCodePageEncoding(int codePage); protected virtual bool CleanUpBytes(ref int bytes); protected unsafe virtual void CleanUpEndBytes(char* chars); } }