winForm 图片实现自动旋转,两个图片透明重叠
核心代码如下 public Bitmap picRotate(Bitmap bmp, int angle) { //转载请保留http://www.luofenming.com/show.aspx?id=ART2019112900001Bitmap reBmp = new Bitmap(bmp.Width, bmp.Height);Graphics g = Graphics.FromImage(reBmp);g.InterpolationMode = System.Drawing.…