Jbuilder 测试程序，只是一个小程序，不过新手倒可以看下-Jbuilder test procedure, only a small procedure, but the novice can do facie

4位7段数码显示，固定一位小数位，显示范围0.0....999.9，包含控件源程序及测试控件的测试程序，控件可以按照自己的要求修改-4-digit 7-segment digital display, fixed one decimal place, indicating the scope of 0.0 .... 999.9, including source code control, testing procedures and testing of controls, controls

最近接了一个任务，要求接收一个指令然后就打印一个标签。 刚接触COM通信，写了一个小的测试程序配合虚拟串口使用。比较简单，基础级的 -Recently received a task, ask to receive a command and then print a label. New to COM communication, wrote a small test program with a virtual serial port to use. Relatively simp

一个关于地图控件的小的 测试demo程序！能够在线显示，不能离线使用-A small test demo program on the map control! Online display can not be used offline