c# - 在xaml中显示来自数据库的图片

Question

我在本地数据库中写入图像。

MemoryStream stream = new MemoryStream();
WriteableBitmap mywbq = new WriteableBitmap(bmp);
mywbq.SaveJpeg(stream, mywbq.PixelWidth, mywbq.PixelHeight, 0, 95);
byte[] imagearray = stream.ToArray();
stream.Close();
db._contacts.InsertOnSubmit(new MyContactsList {ItemImage = imagearray });
db.SubmitChanges();

我希望这张图片在 xaml 中显示。
怎么不可能？

我用它source

但是这个类不起作用

Answer 1

就这么简单:

byte[] yourImageBytesFromDatabase = ......;
MemoryStream ms = new MemoryStream();
ms.Write(yourImageBytesFromDatabase, 0, yourImageBytesFromDatabase.Length);
BitmapImage src = new BitmapImage();
src.SetSource(ms);