[WPF] Image to BitmapImage(ImageSource)

using System.Windows.Media.Imaging;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;

public BitmapImage Convert(Image image)
{
    using (var memoryStream = new MemoryStream())
    {
        image.Save(memoryStream , ImageFormat.Png);
        memory.Position = 0;

        var bitmapImage = new BitmapImage();
        bitmapImage.BeginInit();
        bitmapImage.StreamSource = memoryStream ;
        bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
        bitmapImage.EndInit();

        return bitmapImage;
    }
}