System messages

Macros
#define	MSG_IDLE   0x0142
	Indicates the system enters idle loop. More...
#define	MSG_TIMER   0x0144
	Indicates a timer has expired. More...
#define	MSG_DOESNEEDIME   0x0150
	Send to a window to query whether the window needs to open IME window. More...

Detailed Description

Macro Definition Documentation

MSG_DOESNEEDIME

#define MSG_DOESNEEDIME   0x0150

Send to a window to query whether the window needs to open IME window.

The system will send this message when the window gain the input focus to determine whether the window needs to open IME window.

The application should handle this message and return TRUE when the window need IME window. Default window procedure returns FALSE.

Note

This is an asynchronous message.

Definition at line 3016 of file window.h.

MSG_IDLE

#define MSG_IDLE   0x0142

Indicates the system enters idle loop.

This message is sent to the all main windows when the system enters idle loop.

Definition at line 2909 of file window.h.

MSG_TIMER

#define MSG_TIMER   0x0144

Indicates a timer has expired.

This message is sent to the window when a timer expired.

MSG_TIMER
LINT timer_id = (LINT)wParam;
DWORD tick_count = (DWORD)lParam;

Parameters

timer_id	The identifier of the timer has expired.
tick_count	The tick count when the timer had expired.

Definition at line 2928 of file window.h.