function OnBuild2DImage()
{
  var ctx = FWiz.Get2DImageCtx();
  var style = FWiz.GetPenStyle(0);
  style.SetStyle("Marker pen blue");
  ctx.SetPenStyle(0);
  var vertices = new Array();
  vertices[0] = new DlxPoint(-10,0);
  vertices[1] = new DlxPoint(-5,10);
  vertices[2] = new DlxPoint(0,0);
  vertices[3] = new DlxPoint(5,-10);
  vertices[4] = new DlxPoint(10,0);
  ctx.DrawPolyline(vertices);
}