Delphi为TlistView组件绘制底纹，如上图示，在右侧窗口中是有底纹的，为TlistView组件增加了底纹效果，看上去还不错吧，把字体再美化一些，看上去就更专业了嘛。-Delphi TlistView components draw shading, as illustrated above, in the right window shading increased shading effect, for TlistView components, looks pretty good