programming windows 源代码编译出错,请高手指点
haozi 2001-04-25 10:06:00 c:\projects\programming_windows_instance\sysmetsbak\sysmets.cpp(88) : error C2065: 'SPI_GETWHEELSCROLLLINES' : undeclared identifier
c:\projects\programming_windows_instance\sysmetsbak\sysmets.cpp(93) : error C2065: 'WHEEL_DELTA' : undeclared identifier
c:\projects\programming_windows_instance\sysmetsbak\sysmets.cpp(272) : error C2065: 'WM_MOUSEWHEEL' : undeclared identifier
c:\projects\programming_windows_instance\sysmetsbak\sysmets.cpp(272) : error C2051: case expression not constant
我的头文件里已经
#include <windows.h>
#include <winuser.h>
我查看MSDN也发现SystemParametersInfo函数里有'SPI_GETWHEELSCROLLLINES' 这个参数和'WM_MOUSEWHEEL' 消息。