Qt+update函数+paintEvent事件

上传者: 44820566 | 上传时间: 2023-02-04 19:35:04 | 文件大小: 1.23MB | 文件类型: ZIP
qt update函数的理解: update()用来更新绘图事件,重新绘制图片。下面有个demo可以运行一下,一目了突然。

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