activeSheet.pictures.add("f2","Event.png",2,2,10,10);
var picture = activeSheet.pictures.get("f2");
picture.pictureStretch(GC.Spread.Sheets.ImageLayout.center);
picture.backColor("Blue");
picture.borderWidth(2);
picture.borderColor("Red");
picture.borderStyle("dotted");
picture.borderRadius(5);