Introduction - If you have any usage issues, please Google them yourself
Using the Image Edit control:
该程序比较简单，主要实现三个功能：
The procedure is relatively simple, mainly to achieve three functions:
1.打开一个image文件，显示在ImgEdit控件里。
1 to open a image file, display in the ImgEdit control.
2.图片另存为,只能保存为与当前图片一样格式的文件
2 save picture as, can only be preserved as the same with the current image file format
3.图片的旋转（顺时针和逆时针）
The 3 image rotation (clockwise and counterclockwise)