【解决方案】WPF中如何让Image显示新图片

//第1种
image1.Source = new ImageSourceConverter().ConvertFromString(openFileDialog.FileName) as ImageSource;

//第2种
image1.Source = new ImageSourceConverter().ConvertFromString("http://imgsrc.baidu.com/forum/w%3D580/sign=4bc1b5c69822720e7bcee2f24bca0a3a/f872e51373f082021899819b4bfbfbedaa641bc7.jpg") as ImageSource;

//第3种
Uri uri = new Uri("http://imgsrc.baidu.com/forum/w%3D580/sign=4bc1b5c69822720e7bcee2f24bca0a3a/f872e51373f082021899819b4bfbfbedaa641bc7.jpg");
BitmapImage bitmap = new BitmapImage(uri);
image.Source = bitmap;