[c#]
private void printPreviewBtn_Click(object sender, System.EventArgs e)
{
  PrintSettings ps = new PrintSettings();
  ps.Options = PrintOptions.ShowMarginsInPreview | PrintOptions.ShowPageSetupDialog | PrintOptions.ShowPreviewDialog;// | PrintOptions.ShowPrintDialog;
  ps.Options |= PrintOptions.FitToPageWidth;
  ps.DocumentName = "FlyGrid.Net Print/Preview Sample";
  ps.Header = "Current Date: "+ PrintSettings.ShortDateMacro +"\tDocument:" + PrintSettings.DocumentNameMacro + "\tCurrent Time:" + PrintSettings.ShortTimeMacro;
  ps.Footer = "\tPage ["+PrintSettings.PageNumberMacro+"] of ["+PrintSettings.PageCountMacro+"]\t";
  PrintDocument pd = gridFunctionalityGrid.ActivePort.GetPrintDocument(ps);
  //here you can setup print document
  //.....
  //print document
  pd.Print();
}