public static bool SendStringToPrinter(string szString)
{
IntPtr pBytes;
Int32 dwCount;
IntPtr hPrinter = new IntPtr(0);
var strPrintName = ConfigRegistryHelper.GetConfiguredPrinter("PrintMealTicket");
if (string.IsNullOrEmpty(strPrintName))
{
UIHelper.ShowMessage("The meal ticket printer is not configured.");
return(false);
}
var lreturn = OpenPrinter(strPrintName, out hPrinter, new IntPtr());
if (!lreturn)
{
UIHelper.ShowMessage("The Printer name you typed wasn't recognized.");
return(false);
}
// How many characters are in the string?
dwCount = szString.Length;
// Assume that the printer is expecting ANSI text, and then convert
// the string to ANSI text.
pBytes = Marshal.StringToCoTaskMemAnsi(szString);
// Send the converted ANSI string to the printer.
SendBytesToPrinter(strPrintName, pBytes, dwCount);
Marshal.FreeCoTaskMem(pBytes);
ClosePrinter(hPrinter);
return(true);
}
/// <summary>
/// Muestra el reporte en un mediante el visor de Crystal Reports o
/// manda a imprimir el reporte directamente a la impresora configurada.
/// </summary>
/// <param name="report"> Documento .rpt </param>
/// <param name="reportName"> Nombre del reporte. </param>
/// <param name="isDialog"> Se mostrará en una ventana tipo Dialogo. </param>
/// <param name="owner"> Ventana Principal que utiliza el visor. </param>
/// <param name="isDirectPrint"> Bandera de impresion directa. </param>
/// <history>
/// [edgrodriguez] 16/Jul/2016 Created
/// </history>
public static void ShowReport(ReportDocument report, string reportName = "", bool isDialog = false, Window owner = null, EnumPrintDevice PrintDevice = EnumPrintDevice.pdScreen, bool IsInvitation = false, int numCopies = 1)
{
switch (PrintDevice)
{
case EnumPrintDevice.pdPrinter:
var boPrintReportOptions = new PrintReportOptions();
boPrintReportOptions.PrinterName = (IsInvitation) ? ConfigRegistryHelper.GetConfiguredPrinter("PrintInvit") : boPrintReportOptions.PrinterName;
if (IsInvitation && string.IsNullOrEmpty(boPrintReportOptions.PrinterName))
{
UIHelper.ShowMessage($"The printer is not configured, please configure your printer.");
return;
}
var boReportClientDocument = report.ReportClientDocument;
var boPrintOutputController = boReportClientDocument.PrintOutputController;
boPrintReportOptions.JobTitle = reportName;
boPrintReportOptions.NumberOfCopies = numCopies;
boPrintOutputController.PrintReport(boPrintReportOptions);
break;
case EnumPrintDevice.pdScreen:
var crViewer = new frmViewer(report, reportName);
crViewer.Owner = owner;
if (isDialog)
{
crViewer.ShowDialog();
break;
}
crViewer.Show();
break;
}
}