1 TArrow *arrow = new TArrow(0.1,0.1,0.9,0.1,0.05,"|>"); - 第2章ROOT初级教程 - 数据分析软件平台----ROOT - 华文慕课

1 TArrow *arrow = new TArrow(0.1,0.1,0.9,0.1,0.05,"|>");
   arrow->SetFillColor(1);
   arrow->SetFillStyle(1001);
   arrow->SetLineColor(2);
   arrow->SetLineWidth(4);
   arrow->Draw();
所画的箭头的样式是：
A、