属性：DirectShow示例代码

Desc: DirectShow sample code - C++ console application demonstrating use of the IMediaDet interface to create a graph that contains a sample grabber filter. It shows how to use the sample grabber and a COM object callback to display information about media samples in a running video file.-Desc : DirectShow sample code-C console application demonstrating use of the interface t IMediaDet o create a graph that contains a sample grabbers f ILTER. It shows how to use the sample and grabbers a COM object callback to display information ab out media samples in a running video file.