Topic: 2D问题

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1.2D问题 Copy to clipboard
Posted by: yuqinqin
Posted on: 2005-07-12 15:35

我在一个扩展了JPanel的panel类中画图,开始没有,按一下按钮1就出现两个圆,按一下按钮2就重画, 显示两个矩形,为什么我一按按钮图形一闪而过,

请大家帮帮忙,最好有相似的源码,谢谢啦


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