环境: VS.NET 2003 MFC基于对话框程序一开始应该 #include <dshow.h>然后在它上面要 #pragma comment(lib,"Strmiids.lib") ,否则无法使用 CLSID_SystemDeviceEnum与IID_ICreateDevEnum编译提示 unresolved external symbol _CLSID_SystemDeviceEnum
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