MyApp::MyApp() {
   Button b;
   ...
   myArray.SetCtrl(0,0,b);
}

#include <CtrlLib/CtrlLib.h>

using namespace Upp;

#define LAYOUTFILE <Test/Test.lay>
#include <CtrlCore/lay.h>

class ArrayTest : public WithArrayTestLayout<TopWindow> {
public:
	typedef ArrayTest CLASSNAME;
	ArrayTest();
	
	Array<Button> btn;
	Array<Option> opt;
};

ArrayTest::ArrayTest()
{
	CtrlLayout(*this, "Window title");
	Sizeable().Zoomable();
	
	myArray.AddColumn("Column1");
	myArray.AddColumn("Column2");
	
	for(int i = 0; i < 100; i++) {
		myArray.Add("Row: " + AsString(i + 1));
		if(i & 1) {
			Button& b = btn.Add();
			b.SetLabel(Format("Button %d", i + 1));
			myArray.SetCtrl(i, 1, b);
		}
		else {
			Option& o = opt.Add();
			o.SetLabel(Format("Option %d", i + 1));
			myArray.SetCtrl(i, 1, o);
		}
	}
}

GUI_APP_MAIN
{
	ArrayTest().Run();
}

Sets an external control to use as the editor for a single array cell. This function transfers the ownership to the control (from now on, it is stored within the array and destroyed as necessary - upon destruction of the array, deletion of the relevant row or another call to SetCtrl).

CtrlLayout(*test); array_waiters.SetLineCy(0, w.GetMinSize().cy);

struct CallerInfo {
	String callername;
	String country;
	String telephone;
};

class MainWindow : public TopWindow
{
public:
	typedef MainWindow CLASSNAME;
	ArrayCtrl array;
	
	struct Waiter : public WithWaiterLayout<ParentCtrl> {
		Value data;
		
		Waiter() { CtrlLayout(*this); }
		virtual void SetData(const Value &v) {
			if (IsTypeRaw<CallerInfo>(v)) {
				const CallerInfo &c = ValueTo<CallerInfo>(v);
				callername.SetLabel(c.callername);
				country.SetLabel(c.country);
				telephone.SetLabel(c.telephone);
				data = v;
			}
		}
		virtual Value GetData() const { return data; }
	};
	
	MainWindow() {
		Sizeable();
		
		array.AddColumn("Data 1");
		array.AddColumn("Data 2");
		array.AddColumn("Waiter").Ctrls<Waiter>();
		Add(array.SizePos());

		CallerInfo c;
		c.callername = "Joe Sixpack";
		c.country = "USA";
		c.telephone = "666-666666";
		
		array.Add("Cell (0,0)", "Cell (1,0)", RawToValue<CallerInfo>(c)); 
		array.Add("Cell (0,1)", "Cell (1,1)", RawToValue<CallerInfo>(c));
		array.Add("Cell (0,2)", "Cell (1,2)", RawToValue<CallerInfo>(c));
	}
};

struct CallerInfo {
	String callername;
	String country;
	String telephone;
};

class MainWindow : public TopWindow
{
public:
	typedef MainWindow CLASSNAME;
	ArrayCtrl array;

	struct CallerDisplay : public Display
	{
		void Paint(Draw& w, const Rect& r, const Value& q, Color ink, Color paper, dword style) const {
			PaintBackground(w, r, q, ink, paper, style);
			if (IsTypeRaw<CallerInfo>(q)) {
				const CallerInfo &c = ValueTo<CallerInfo>(q);
				int ccy = r.GetWidth() / 3;
				int h = r.Height();
				int x = r.right - ccy;
				
				w.Begin();
				w.DrawText(x, r.top+1, c.telephone, StdFont(), ink);
				w.ExcludeClip(x, r.top, ccy, h);
				x -= ccy;
				w.DrawText(x, r.top+1, c.country, StdFont(), ink);
				w.ExcludeClip(x, r.top, ccy, h);
				x -= ccy;
				w.DrawText(x, r.top+1, c.callername, StdFont(), ink);
				w.End();
			}
		}	
	};
	
	MainWindow() {
		Sizeable();
		
		array.AddColumn("Data 1");
		array.AddColumn("Data 2");
		array.AddColumn("Waiter").SetDisplay(Single<CallerDisplay>());
		Add(array.SizePos());

		CallerInfo c;
		c.callername = "Joe Sixpack";
		c.country = "USA";
		c.telephone = "666-666666";
		
		array.Add("Cell (0,0)", "Cell (1,0)", RawToValue<CallerInfo>(c)); 
		array.Add("Cell (0,1)", "Cell (1,1)", RawToValue<CallerInfo>(c));
		array.Add("Cell (0,2)", "Cell (1,2)", RawToValue<CallerInfo>(c));
	}
};

void AddTruc(String o, String s, String a) {
   CallerInfo c;
   c.callername = o;
   c.country = s;
   c.telephone = a;
   array.Add("test", "test", RawToValue<CallerInfo>(c));
};

GUI_APP_MAIN
{
	MainWindow mw;
	mw.Run();
	
	mw.AddTruc("joe","USA","09890");
}