The 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.
typedef struct tagEVENTMSG { // em
UINT message;
UINT paramL;
UINT paramH;
DWORD time;
HWND hwnd;
} EVENTMSG;
Members
message
Specifies the message.
paramL
Specifies additional information about the message. The exact meaning depends on the message value.
paramH
Specifies additional information about the message. The exact meaning depends on the message value.
time
Specifies the time at which the message was posted.
hwnd
Identifies the window to which the message was posted.
See Also