#include <CtrlLib/CtrlLib.h>
#define LAYOUTFILE <Vega/editmask.lay> //substitute the path of your layout file
#include <CtrlCore/lay.h>

void testAction()
    { PromptOK("Hello World!");
    }

 ///////////////////////// class //////////////////////
class ButtonOpenDlg : public WithButtonOpen<TopWindow> {
public:
 
    typedef ButtonOpenDlg CLASSNAME;
    ButtonOpenDlg();
};

ButtonOpenDlg::ButtonOpenDlg()
{
	CtrlLayout(*this, "");
	btnOpen.WhenAction = callback(testAction); 
}
///////////////////// end class ////////////////////

void OpenDialog()
{ ButtonOpenDlg a;
  a.Run();
}

GUI_APP_MAIN
{ 	TopWindow w;
	Button b;
		
	w.Add(b);
	b.SetLabel("button - testAction");
	b.SetPos(b.PosLeft(200, 250), b.PosTop(100, 30));	
	b.WhenAction=callback(OpenDialog);

	w.Run();
}


//////////////////////// editmask.lay //////////////////
LAYOUT(ButtonOpen, 280, 208)
	ITEM(Button, btnOpen, SetLabel(t_("Open Window")).LeftPosZ(92, 96).TopPosZ(88, 24))
END_LAYOUT