VS 2013 Multiple EnableDesignMode controls??

I am using the ControlDesigner class and want to know how to use .EnableDesignMode for a heap of controls ...

For one control per property it works fine...

But what if I want a collection of controls, I have no idea where to begin as the name pram seems to want a fixed property name for the control???

How would I go about this?

Thanks,
Kris