一个功能非常强大的游标Delphi VCL控件(含有源代码)，界面显示仪表的百分比刻度，可以调整当前数据，并可以通过事件驱动发送，已经工控系统上用过很多次了，非常稳定可靠。-A very powerful cursor Delphi VCL controls (with source code), the interface displays the percentage of instrument calibration, you can adjust the current data, and can be sent via event-driven, has been used many times on the industrial system is very stable and reliable.