创建一个项目，新建一个窗体，在窗体中央放置分割面板，在分割面板的左右两侧各放置一个分割面板，通过单击左侧的按钮在右侧显示图片-Create a project, create a new form, in the middle of the form the partition panel, on both side of the partition panel placed a split pane, by clicking on the button on the right picture on the left side