TIntuiMessage

type TIntuiMessage = record

  ExecMessage: TMessage;

Standard Exec message

  IClass: LongWord;

The Class bits correspond directly with the IDCMP Flags (IDCMP_*), except for the special bit IDCMP_LONELYMESSAGE

  Code: Word;

The Code field is for special values like Menu number, Keycode and so on

  Qualifier: Word;

The Qualifier field is a copy of the current InputEvent's Qualifier

  IAddress: Pointer;

IAddress contains particular addresses for Intuition functions, like the pointer to the Gadget or the Screen

  MouseX: SmallInt;

When getting mouse movement reports, any event you get will have the the mouse coordinates in these variables.

  MouseY: SmallInt;

the coordinates are relative to the upper-left corner of your Window (WA_GIMMEZEROZERO notwithstanding)

  Seconds: LongWord;

The time values are copies of the current system clock time.

  Micros: LongWord;

Micros are in units of microseconds, Seconds in seconds.

  IDCMPWindow: PWindow;

The IDCMPWindow variable will always have the Pointer of the Window of this IDCMP

  SpecialLink: PIntuiMessage;

System-use variable

end;

TWindow

Window structure

exec.GetMsg

Get next message from message port

exec.PutMsg

Put a message to a message port

exec.ReplyMsg

Put a message to its reply port

exec.WaitPort

Wait for a given port to be non-empty