初始状态
1 Bitmap bm = new Bitmap(Image.FromStream(System.Net.WebRequest.Create(new Uri(result.Result)).GetResponse().GetResponseStream()), this.wxImg.Width, this.wxImg.Height); 2 this.wxImg.Image = bm;
效果
原文：http://www.cnblogs.com/DataBase-123/p/6845632.html