目录背景1. pyinstaller的安装2. pyinstaller工作原理3. pyinstaller打包成exe3.1 最简单（单个文件）：3.3 spec文件解析3.4 打包dll3.5 利用upx压缩exe4. 常见问题4.1 打包后的文件太大了4.3 打包后exe执行速度太慢
I\'m using Windows Forms. For a long time, pictureBox.Invalidate(); worked to make the screen be redrawn. However, it now doesn\'t work and I\'m not sure why.
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