为什么说“unresolved external symbol _IID_IVideoWindow”送分。
我将DirectX 里面的DirectShow的例子拷贝到VC里面执行,编译出错,说“
Linking...
a.obj : error LNK2001: unresolved external symbol _IID_IVideoWindow
a.obj : error LNK2001: unresolved external symbol _IID_IMediaControl
a.obj : error LNK2001: unresolved external symbol _CLSID_FilterGraph
a.obj : error LNK2001: unresolved external symbol _IID_IGraphBuilder
LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Debug/a.exe : fatal error LNK1120: 5 unresolved externals
Error executing link.exe.
是什么原因呢?
大家帮忙!