创建image

 <Image x:Name="img" HorizontalAlignment="Left" Height="165" Margin="513,15,0,0" VerticalAlignment="Top" Width="105" />

设置图片

 //设置图片
        public void AddImage()
        {
             BitmapImage bi = new BitmapImage();
            // BitmapImage.UriSource must be in a BeginInit/EndInit block.  
            bi.BeginInit();
            bi.UriSource = new Uri(@"C:\Users\Administrator\Desktop\1.jpg", UriKind.RelativeOrAbsolute);
            bi.EndInit();
            img.Source = bi;  
        }