C# wpf bitmap在image控件中显示

希望点击按钮后，将图片在IMAGE控件中显示,怎么实现
private void button1_Click(object sender, RoutedEventArgs e)
{
CStaresq IMEAGE = new CStaresq();
CStareim IMASIN = new CStareim();
IMEAGE .ReadandUpload (conn,UploadFilenames[0]);
byte[] ImageShow = IMEAGE.Picbuf[0];

MemoryStream ms1 = new MemoryStream(ImageShow);
System.Drawing.Bitmap bm = (Bitmap)System.Drawing.Image.FromStream(ms1);

        conn.Close();
        ms1.Close();

    }

http://blog.csdn.net/chuangand/article/details/48031271