I wrote a form, through an external procedure call solidedge, in their own form on how to use the rotary controls SEPreview control
I can only rotate solidedge through the external program interface, the model changes, but I want to change the interface background solidedge results of a timely return to the control of control SEPreview.
Should be how to do do a good job is to give an example. Language can be a VB, C #, C + + and so on.
 Urgent Thank you very much! ! !