public void PasteSelected() { List <EMesh> newMeshes = new List <EMesh>(); Layer l = ActiveLayers[0]; foreach (EMesh m in meshClipboard) { EMesh nm = new EMesh(m, l, this); l.AddMesh(nm); newMeshes.Add(nm); } SetSelected(newMeshes); ActiveHistory.Add(new CreateAction(newMeshes, ActiveHistory)); }