Controlling Control Bounds/Behavior

[MacGyver]

If I have a control for a dynamic connector.  Is it possible to force the control to move along the path of a connector?

I am thinking the way I would need to do this would require me to create two user values such as User.ControlX and User.ControlY .  I would like these values to be read in the current value of Controls.Row_1 and Controls.Row_1.Y but then use the setF and POINTALONGPATH functions to set the values of Controls.Row_1 and Controls.Row_1.Y thereby forcing the control to remain on the path of the connector.

Just can not seem to figure this out.