var prj = DlxApp.GetJob().GetProject("Example Sch");
if (!prj.IsValid())
  prj = DlxApp.GetJob().NewProject("Example Sch");
var doc = prj.GetDocument("Examples Sch", DlxApp.DOCTYPE_SCHEMATIC);
if (!doc.IsValid())
{
  doc = prj.NewDocument("Examples Sch", DlxApp.DOCTYPE_SCHEMATIC);
  doc.SetPageFormat("A4", false);
}
if (doc.IsValid() && doc.Activate())
{
  var page = doc.GetActivePage();
  if (page.IsValid())
  {
    var layer = page.GetLayerFromType(DlxApp.LAYERTYPE_DRAWING);
    if (layer.IsValid())
    {
      var pen = new DlxPenStyle(0.5, new DlxColor("orangered"));
      doc.SetStyle(pen);  
      var brush = new DlxBrushStyle("beige");  
      doc.SetStyle(brush);

      var obj = layer.DrawPath(new DlxPoint(30, 30), new DlxPoint(80, 90), 3, DlxApp.PATHCAP_ROUND, DlxApp.PATHCAP_ARROW, false);

      if (obj.GetStartCap()!=DlxApp.PATHCAP_DOVETAIL)
       obj.SetCap(0, DlxApp.PATHCAP_DOVETAIL);
      if (obj.GetEndCap()!=DlxApp.PATHCAP_ARROW)
       obj.SetCap(1, DlxApp.PATHCAP_ARROW);
    }
  }
}