我用双缓冲在屏幕上画随机方块,但当我调整窗口框架大小时会自行清理。 我怎样才能阻止它呢?
当被要求绘制时, 请绘制。 这将使用 < code> paint( griphics) 方法, 即 < code> JFrame 。
当然,最好在框中插入一个 JPannel 。 推翻的方法随后将成为 paintComponent (Graphics) 。
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