UINT uID, // Timer identifier
UINT uMsg, // Not currently used
DWORD_PTR dwUser,// User information
DWORD_PTR dw1, // Windows reserved
DWORD_PTR dw2, // is also reserved
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.