读取CIF、QCIF格式的YUV测试序列文件，并且将其显示出来，转换为RGB格式进行连续视频播放-Read CIF, QCIF format YUV test sequence file, and will show up, converted to RGB format continuous video playback

读取显示DXF文件 采用控件形式开发 CAD格式学习作品-Read DXF files using the controls in the form shown development of CAD formats learning works