| D | E | G | H | R | T | U |
| DecodeHeaderData |
| EIdHeaderEncodeError | EncodeHeaderData |
| GHeaderDecodingNeeded | GHeaderEncodingNeeded |
| HeaderCoderByCharSet |
| RegisterHeaderCoder |
| TIdHeaderCoder | TIdHeaderDecodingNeededEvent | |
| TIdHeaderCoderClass | TIdHeaderEncodingNeededEvent |
| UnregisterHeaderCoder |
| CT Web help |
| CodeTyphon Studio |