功能齐全的checktreeview,带复选框，以及联动功能的控件-Full-featured checktreeview, with check boxes, as well as the linkage function of control-Fully functional checktreeview, with check boxes, as well as the linkage function of control-Full-featured checktreeview, with

实现组合框联动，用如果真命令，分享给大家- Achieve a combo box linked with if you really command, for everyone to share