C#

string s="the alphabet consists of ";
foreach (char c in "abc...z") s=s+c;

<br />
            System.Drawing.Imaging.EncoderParameters encParams = new System.Drawing.Imaging.EncoderParameters();<br />
            encParams.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, Quality);<br />
            MemoryStream ms = new MemoryStream();<br />
            _reformattedImage.Save(ms, System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[1], encParams);<br />
            _reformattedImage = Image.FromStream(ms);

// Method to get the apprpriate encoder<br />
private ImageCodecInfo GetEncoderInfo(String mimeType)<br />
{<br />
  int j;<br />
  ImageCodecInfo[] encoders;<br />
  encoders = ImageCodecInfo.GetImageEncoders();<br />
  for(j = 0; j < encoders.Length; ++j)<br />
  {<br />
    if(encoders[j].MimeType == mimeType)<br />
      return encoders[j];<br />
  } <br />
  return null;<br />
}<br />
<br />
// Compress file code<br />
Image image = Image.FromFile(sourceFile);<br />
<br />
string mimeType = "image/jpeg";<br />
ImageCodecInfo codecInfo = GetEncoderInfo(mimeType);<br />
if (codecInfo == null)<br />
  raise error;<br />
<br />
// Set the quality (must be a long)<br />
Encoder qualityEncoder = Encoder.Quality;<br />
EncoderParameter ratio = new EncoderParameter(qualityEncoder, 40L);<br />
EncoderParameters encoderParams = new EncoderParameters(1);<br />
encoderParams.Param[0] = ratio;<br />
			<br />
image.Save(destFile, codecInfo, encoderParams);<br />
image.Dispose();<br />