老外写的DirectShow,超强无比，有空可以学一下。-Written by foreigners DirectShow, super great, you can learn the time.

简单的饼图图表控件，有3D效果的功能，老外编写.-Simple Pie Chart Control- Improved 3-D Pie Chart

老外写的DirectShow显示摄像头视频的程序，里面对多种过滤器进行了封装，有很好的参考价值-Written by foreigners DirectShow camera video shows the procedure, there were a variety of filters package, there is a good reference value