让VC6使用最新SDK
C:\Program Files\Microsoft Visual Studio 8\VC\PlatformSDK\Include
C:\Program Files\Microsoft Visual Studio 8\VC\PlatformSDK\Lib
C:\Program Files\Microsoft Visual Studio 8\VC\PlatformSDK\Include
C:\Program Files\Microsoft Visual Studio 8\VC\PlatformSDK\Lib