关于简单的GDI+.

Question

实现缩放大小:Bitmap的构造函数就可以啊。//picMain.Image  你要缩放的图片
//iWidthNew      图片的新宽度
//iHeightNew     新高度
Bitmap imageNew=new Bitmap(picMain.Image,iWidthNew,iHeightNew);

Answer 1

Image tmpImage=new Bitmap(sourceFileName);
Image tmpImage=new Bitmap(tmpImage,Convert.ToInt32(x),Convert.ToInt32(y));
picturebox1.Image=Image.FromHbitmap(tmpImage.GetHbitmap());