static DialogConfirm  _DialogConfirm;

public class DialogConfirm : Object
{
	public Gtk.MessageDialog el;
	private DialogConfirm  _this;

	public static DialogConfirm singleton()
	{
		if (_DialogConfirm == null) {
		    _DialogConfirm= new DialogConfirm();
		}
		return _DialogConfirm;
	}

		// my vars (def)

	// ctor
	public DialogConfirm()
	{
		_this = this;
		this.el = new Gtk.MessageDialog( null, Gtk.DialogFlags.MODAL, Gtk.MessageType.QUESTION, Gtk.ButtonsType.YES_NO, "Test" );

		// my vars (dec)

		// set gobject values
		this.el.title = "Please Confirm ";
		this.el.name = "DialogConfirm";
		this.el.modal = true;
		this.el.use_markup = true;

		//listeners
		this.el.close_request.connect( (event) => {
		   this.el.response(Gtk.ResponseType.CANCEL);
		    this.el.hide();
		    return true;
		
		});
	}

	// user defined functions
	public void showIt // caller needs to connect to the  response -  to get the result.
	  
	  (string title, string msg) {
	     //if (!this.el) { this.init(); } 
	     //this.success = success;
	     this.el.title = title;
	    this.el.text =  msg;
	    this.el.show();
	   
	   
	}
}