Unit 'AdvancedIPC' Package
[Overview][Resource strings][Constants][Types][Classes][Index] [#fcl]

TMessageHeader

Message header structure for IPC communication

Declaration

Source position: advancedipc.pp line 50

type TMessageHeader = packed record

  HeaderVersion: Byte;

  

Header version byte

  FileLock: Byte;

  

File locking state (0=unlocked, 1=locked)

  MsgType: TMessageType;

  

Message type identifier

  MsgLen: Integer;

  

Message content length in bytes

  MsgVersion: Integer;

  

Message version for compatibility checking

end;

Description

The TMessageHeader record defines the structure of the message header used in IPC communication. It contains version information, locking state, message type, length, and version compatibility data.

See also

HEADER_VERSION

  

Message header version identifier

TMessageType

  

Type for message type identifiers


Documentation generated on: Dec 15 2025