有关RTDX应用的例子。使用时请打开命令提示符窗口，再运行release 目录下的rtdxint.exe程序。此程序从COM接口指定的RTDX Channel读取一个整数。-the RTDX application examples. Use open the command prompt and then run the release directory rtdxint.exe procedures. This procedure from the COM interface desi