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MessageEvent Struct Reference

Information about message events. More...

#include <system.h>

List of all members.

Public Attributes
ushort	command
void*	infoPtr
long	infoLong
ushort	infoWord
short	infoInt
uchar	infoByte
char	infoChar

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Detailed Description

This structure stores information about message events.

A message event is a command, specified by the command field, together with one of several additional pieces of information, ranging from a single byte of data to a generic pointer.

This arrangement allows for great flexibility when TVision objects need to transmit and receive messages to and from other TVision objects.

See also:

TEvent

Definition at line 294 of file system.h.

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Member Data Documentation

ushort MessageEvent::command

Is the code of the command. See `views.h' for a list of standard commands. Other commands are defined in `colorsel.h', `dialogs.h', `editors.h', `outline.h' and `stddlg.h'. Definition at line 303 of file system.h.

uchar MessageEvent::infoByte

An unsigned byte. Definition at line 329 of file system.h.

char MessageEvent::infoChar

A signed character. Definition at line 333 of file system.h.

short MessageEvent::infoInt

A signed short. Definition at line 325 of file system.h.

long MessageEvent::infoLong

A signed long. Definition at line 317 of file system.h.

void* MessageEvent::infoPtr

A generic pointer. I suggest you to pay attention to these fields. Use always the same type in the sender and in the receivers of the message. Otherwise you may experiment portability problems. Definition at line 313 of file system.h.

ushort MessageEvent::infoWord

An unsigned short. Definition at line 321 of file system.h.

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The documentation for this struct was generated from the following file:

• system.h

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