Byte效率很低的
看
http://lucky_elove.www1.dotnetplayground.com/ShowDetail.aspx?id=45E7E33C-F149-450E-B5D5-832958C20538
看
http://lucky_elove.www1.dotnetplayground.com/ShowDetail.aspx?id=45E7E33C-F149-450E-B5D5-832958C20538
MemoryStream mstream = new MemoryStream ();
imgPhoto.Save (mstream, System.Drawing.Imaging.ImageFormat.Bmp);
byte [] byData = new Byte [mstream.Length ];
mstream.Position = 0;
mstream.Read (byData,0,Convert.ToInt32 (mstream.Length ));
mstream.Close();
byte[] bb=ms.GetBuffer();
这样bb里面应该是有数据的,你可以试试看。