private void InitPrinterParameter(string printerName = "")
{
PrintQueue pq = null;
if (string.IsNullOrEmpty(printerName))
{
try
{
pq = LocalPrintServer.GetDefaultPrintQueue();
}
catch { pq = null; }
}
else
{
try
{
LocalPrintServer pser = new LocalPrintServer();
pq = pser.GetPrintQueue(printerName);
}
catch { pq = null; }
}
if (null != pq)
{
_printerName = pq.FullName;
// load default page setting.
_pageSetting = new LocalReportPageSettings();
}
else
{
_printerName = string.Empty;
// default
_pageSetting = new LocalReportPageSettings();
}
}
/// <summary>
/// Print Report to specificed printer.
/// </summary>
/// <param name="rptViewer">The instance of Report Viewer Control.</param>
/// <param name="printerName">The target printer name.</param>
/// <param name="fromPage">-1 for print all</param>
/// <param name="toPage">-1 for print all</param>
/// <param name="noOfCopies">The Number of Copies.</param>
/// <returns>Returns instance of RdlcPrintResult.</returns>
public static RdlcPrintResult PrintTo(this ReportViewer rptViewer,
string printerName,
int fromPage = -1, int toPage = -1,
short noOfCopies = 1)
{
RdlcPrintResult result = new RdlcPrintResult();
result.Success = false;
if (string.IsNullOrWhiteSpace(printerName))
{
result.Message = "No printer selected.";
RdlcMessageService.Instance.SendMessage(result.Message);
return(result);
}
if (null == rptViewer.LocalReport ||
null == rptViewer.LocalReport.DataSources ||
rptViewer.LocalReport.DataSources.Count <= 0)
{
result.Message = "Report is not loaded or report has no data.";
RdlcMessageService.Instance.SendMessage(result.Message);
return(result);
}
LocalReportRenderer prt = null;
try
{
LocalReport lr = rptViewer.LocalReport;
ReportPageSettings settings = lr.GetDefaultPageSettings();
if (null == settings)
{
result.Message = "Cannot get page settings.";
RdlcMessageService.Instance.SendMessage(result.Message);
return(result);
}
#region Assign page setting
LocalReportPageSettings pageSettings = new LocalReportPageSettings();
if (!settings.IsLandscape)
{
pageSettings.PageHeight = Convert.ToDouble(
(double)settings.PaperSize.Height / (double)100);
pageSettings.PageWidth = Convert.ToDouble(
(double)settings.PaperSize.Width / (double)100);
}
else
{
pageSettings.PageHeight = Convert.ToDouble(
(double)settings.PaperSize.Width / (double)100);
pageSettings.PageWidth = Convert.ToDouble(
(double)settings.PaperSize.Height / (double)100);
}
pageSettings.MarginLeft = Convert.ToDouble(
(double)settings.Margins.Left / (double)100);
pageSettings.MarginRight = Convert.ToDouble(
(double)settings.Margins.Right / (double)100);
pageSettings.MarginTop = Convert.ToDouble(
(double)settings.Margins.Top / (double)100);
pageSettings.MarginBottom = Convert.ToDouble(
(double)settings.Margins.Bottom / (double)100);
//pageSettings.MarginLeft = 0;
//pageSettings.MarginRight = 0;
//pageSettings.MarginTop = 0;
//pageSettings.MarginBottom = 0;
pageSettings.Landscape = settings.IsLandscape;
pageSettings.FromPage = fromPage;
pageSettings.ToPage = toPage;
#if WYSIWYG
// Read Screen Resolution
int dx, dy;
System.Drawing.Graphics g = rptViewer.CreateGraphics();
try
{
dx = Convert.ToInt32(g.DpiX);
dy = Convert.ToInt32(g.DpiY);
}
finally
{
g.Dispose();
}
pageSettings.DpiX = dx;
pageSettings.DpiY = dy;
// Create dialog and re read resolution.
System.Windows.Forms.PrintDialog pd = new System.Windows.Forms.PrintDialog();
pd.PrinterSettings.PrinterName = printerName;
System.Drawing.Printing.PrinterSettings ps = pd.PrinterSettings;
pageSettings.PrintDpiX = ps.DefaultPageSettings.PrinterResolution.X;
pageSettings.PrintDpiY = ps.DefaultPageSettings.PrinterResolution.Y;
#endif
#endregion
prt = new LocalReportRenderer();
prt.Print(lr, printerName, pageSettings, noOfCopies);
result.Success = true;
result.Message = "Print Success.";
RdlcMessageService.Instance.SendMessage(result.Message);
}
catch (Exception ex)
{
result.Message = ex.ToString();
}
finally
{
if (null != prt)
{
prt.Dispose();
}
prt = null;
}
return(result);
}
