msdn中关于TimeSetEvent回调函数的说明

LPTIMECALLBACK function pointer

Application-defined callback function for the timeSetEvent function.

Syntax

C++

typedef void ( CALLBACK *LPTIMECALLBACK)(  UINT uTimerID,  UINT uMsg,  DWORD_PTR dwUser,  DWORD_PTR dw1,  DWORD_PTR dw2);

Parameters

uTimerID

The identifier of the timer. The identifier is returned by the timeSetEvent function.

uMsg

Reserved.

dwUser

The value that was specified for the dwUser parameter of the timeSetEvent function.

dw1

Reserved.

dw2

Reserved.

Return value

This function pointer does not return a value.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Mmsystem.h (include Windows.h)