Hey Now Everybody-
Current C# POS.NET Issue:
PrintNormal() Throws Exception = 'It is not initialized'
CheckHealth = 'It is not initialized'
'It is not initialized' exception when Printing to Epson TM-T88IV
Using POS for .NET 1.12 and the Epson OPOS ADK for .NET (v1.11.9) service-objects Successfully able to Open, Claim and Set the DeviceEnabled-true for PosPrinter
Issue sending anything to the printer after this PrintNormal() results in a 'It is not initialized' exception being thrown. CheckHealth Utility that came with the Epson OPOS ADK results in exactly the same error. When using PrintNormal(PrinterStation.Receipt the exception is 'The specified station is not mounted."
printer prints fine using direct parallel printer itself prints
How can we not throw the exemption with the message - 'It is not initialized'?
Thx 4 your help in advance,
Catto
void K8POSPrint()
{
/// <summary>
/// PosPrinter object
/// </summary>
PosPrinter m_Printer = null;
try
{
//Use a Logical Device Name which has been set on the SetupPOS.
string strLogicalName = "PosPrinter";
try
{
//Create PosExplorer
PosExplorer posExplorer = new PosExplorer();
DeviceInfo deviceInfo = null;
try
{
// Device Info is not null when the printer has the logical name
deviceInfo = posExplorer.GetDevice(DeviceType.PosPrinter, strLogicalName);
m_Printer = (PosPrinter)posExplorer.CreateInstance(deviceInfo);
}
catch (Exception ExDevice)
{
}
//Open the device
m_Printer.Open();
//Get the exclusive control right for the opened device. Then the device is disable from other application.
m_Printer.Claim(1000);
//Enable the device.
m_Printer.DeviceEnabled = true;
// ////CheckHealth.
//m_Printer.CheckHealth(Microsoft.PointOfService.HealthCheckLevel.Interactive);
// //As using the PrintNormal method, send strings to a printer, and print it [\n] is the standard code for starting a new line.
/// Current Issue Next Line thows an exception - 'It is not initialized'
m_Printer.PrintNormal(PrinterStation.Receipt, "Hey Now OPOS for .NET\n");
// the next line would throw the exception 'The specified station is not mounted.'
// m_Printer.PrintNormal(PrinterStation.Slip,"Hey Now Slip OPOS.NET\n");
}
catch (PosControlException)
{
}
}
catch (Exception ex)
{
}
}