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())
  {
    DlxApp.Printf("The page %s consists of %i layers.", page.GetName(), page.GetLayerCount());
    var count = page.GetLayerCount();
    for (var i = 0; i < count; i++)
    {
      DlxApp.Printf("layer %i = %s", i, page.GetLayer(i).GetName());
    }
  }
}