视频捕捉类CcaptureVideo编程，在Win2K + DirectX9 SDK + VC6 环境下调试，出现未解决的外部符号

[qq_39999970]

错误如图：
--------------------Configuration: 健康眼 - Win32 Debug--------------------
Linking...
健康眼.obj : error LNK2001: unresolved external symbol _IID_ISampleGrabberCB
健康眼.obj : error LNK2001: unresolved external symbol _CLSID_SampleGrabber
健康眼.obj : error LNK2001: unresolved external symbol _CLSID_CaptureGraphBuilder2
健康眼.obj : error LNK2001: unresolved external symbol _IID_ICaptureGraphBuilder2
Debug/健康眼.exe : fatal error LNK1120: 4 unresolved externals
执行 link.exe 时出错.

工程环境设置如下：
project settings->c/c++->预处理器->c:\dxsdk\include\
project settings->连接->输入->对象/库模块:winmm.lib strmbasd.lib
project settings->连接->输入->C:\Program Files\Microsoft Visual Studio\VC98\Lib,C:\DXSDK\Samples\C++\DirectShow\BaseClasses\Debug_Unicode