NSData nd = NSData.FromUrl (new NSUrl (imgurl));
if (nd != null) {
UIImageView uimg = new UIImageView (new UIImage (nd));
uimg.Frame = recf;//RectangleF
return uimg;
}
size方法设置图片大小:
UIImage image = null;
SizeF imageViewSize = imageView.Frame.Size;
image = UIImage.FromFile(localPath + localFilename).Scale(imageViewSize);
imageView.Image = image;
ContentMode属性:
_imageView.ContentMode = UIViewContentMode.ScaleAspectFit;
imageView.Image.CGImage.Width;
imageView.Image.CGImage.Height;