add another layer of Edit boxes Button

[#1]

Hi 

I would like to create an add in that compares different Sampling Plans using the OC curves. I would like to allow the user to add many input layers/Lines using an "Add more" button. (See picture below)

Therefore

The part of my script that I am focused on is:

ob1 = Outline Box( "Type in your own parameter values", 
			 H List Box(
				H List Box( Text Box( "LQ:" , << set width(20)), neb_LQ = Number Edit Box(LQ, << set function(_expr) )),
				Spacer box(Size(20,20)),
				H List Box( Text Box( "Batch size (N):" , << set width(80)), neb_N = Number Edit Box(N_batch , << set function(_expr))),
				Spacer box(Size(20,20)),
				//H List Box( Text Box( "LQ:" , << set width(20)), neb_LQ = Number Edit Box(LQ, << set function(_expr) )),
				//Spacer box(Size(20,20)),
				H List Box( Text Box( "Acceptance limit (Ac):" , << set width(120)), neb_Ac = Number Edit Box(Ac, << set function(_expr))),
				Spacer box(Size(20,20)),
				H List Box( Text Box( "Alpha:" , << set width(120)), neb_alpha = Number Edit Box(alpha, << set function(_expr)))
			)		
		),
	);
	// collapse the outline boxes
	Button Box( "Press Me",ADD_button() )

Do you have any advice of a smart way to implement the above?

[#2]

What should happen when the user presses "Add more" button? Some new elements should be created? What should those elements do? Are those functionalities already implemented in such a way, that they work with any number of elements?

[#3]

Just create another line that the user will be able to import a second LQ, N, Ac, and Alpha value and saves them in a list so that I can then use the values to plot multiple OC curves.

[#4 · Accepted solution]

This is very quickly thrown together

Names Default To Here(1);

lub_expr = Expr(ob1 << Append(Lineup Box(N Col(8), Spacing(10),
	Text Box("LQ:", <<set width(20)), 
	Number Edit Box(1, <<set function(_expr)),
	Text Box("Batch size (N):", <<set width(80)), 
	Number Edit Box(1, <<set function(_expr)),
	Text Box("Acceptance limit (Ac):", <<set width(120)), 
	Number Edit Box(1, <<set function(_expr)),
	Text Box("Alpha:", <<set width(120)), 
	Number Edit Box(1, <<set function(_expr))
)));
nw = New Window("",
	ob1 = Outline Box("Type in your own parameter values",
		
	),
	Button Box("Press Me", lub_expr)
);

Using Table Box with Col boxes could result in cleaner UI

[#5]

An alternative approach would use a Table Box with Number Col Edit Box and String Col Edit Box elements. You can easily add a row to a table box.