QPaintDevice: Cannot destroy paint device that is being painted
摘要:
在paintEvent中,使用QPainter * 绘制图像出现此问题。解决:1、改为不使用QPainter指针。2、添上begin(), end()QPainter * painter = new QPainter();painter->begin (this);//!!!painter->drawLine (...);painter->end ();//!!! 阅读全文
posted @ 2013-10-07 10:30 铁树银花 阅读(4545) 评论(1) 推荐(1) 编辑