can someone help me, new to VB

can someone tell me how to join lines to picture boxes. by right clicking on a picture box. A menu comes up with option join line (l have the menu bit working ok) but l need to be able to left click on a second picture box to join the to, So the line control will be from the picture box that l right clicked on and to the one l left clicked on. l also want to be able to drag the picture boxes around to, with the lines still connected. I am new to VB but know the basics, so can you keep in simple please.

Many Thanks in advance.

Steve

I'll try to make a little example project and see if it helps you.

Here, study this. It should help you a tad.