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EVENTMSG structure

Contains information about a hardware message sent to the system message queue. This structure is used to store message information for the JournalPlaybackProc callback function.

Syntax


typedef struct tagEVENTMSG {
  UINT  message;
  UINT  paramL;
  UINT  paramH;
  DWORD time;
  HWND  hwnd;
} EVENTMSG, *PEVENTMSG, *LPEVENTMSG;

Members

message

Type: UINT

The message.

paramL

Type: UINT

Additional information about the message. The exact meaning depends on the message value.

paramH

Type: UINT

Additional information about the message. The exact meaning depends on the message value.

time

Type: DWORD

The time at which the message was posted.

hwnd

Type: HWND

A handle to the window to which the message was posted.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Winuser.h (include Windows.h)

See also

Reference
JournalPlaybackProc
SetWindowsHookEx
Conceptual
Hooks

 

 

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