加载后添加时，控件不显示 [英] Control dont appear when added after load

问题描述

我创建了一个下载程序，可以很好地加载.当我添加下载时，控件会添加到滚动区域中的面板.在我调整控件大小之前，控件不会出现.我该怎么做才能使它们自动显示.我通过
添加它们

I created a download program that loads fine. When i add a download a control adds to a panel in a scroll area. The control doesn''t appear until i re-size the control. what do i do to make them appear automatically. i add them by

dwld.cnt d = new dwld.cnt(url,savepath);
jPanel3.add(d);

推荐答案

尝试重新绘制jPanel

Try To Repaint ur jPanel

jPanel2.repaint();

这篇关于加载后添加时，控件不显示的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！