private void ReloadDeviceInformationWithProgressBar()
{
DeviceStatusListBox.ItemsSource = null;
FirmwareInformationListBox.ItemsSource = null;
StarPrinterStatus status = null;
Dictionary <string, string> firmwareInformation = null;
ProgressBarWindow progressBarWindow = new ProgressBarWindow("Communicating...", () =>
{
status = GetDeviceStatus();
if (status == null)
{
return;
}
firmwareInformation = GetFirmwareInformation();
});
progressBarWindow.ShowDialog();
if (status == null && firmwareInformation == null) // Communication failure.
{
Util.ShowMessage("Error", "Communication error");
return;
}
// Parse printer status.
ParsePrinterStatus(status, SharedInformationManager.GetDrawerOpenStatus());
// Parse firmware information.
ParseFirmwareInformation(firmwareInformation);
}
/// <summary>
/// Sample : Monitoring printer process.
/// </summary>
private void MonitoringPrinter()
{
while (true)
{
lock (lockObject)
{
try
{
if (port != null)
{
StarPrinterStatus status = port.GetParsedStatus();
// Your printer cash drawer open status.
bool cashDrawerOpenActiveHigh = SharedInformationManager.GetDrawerOpenStatus();
if (status.CompulsionSwitch == cashDrawerOpenActiveHigh) // Cash drawer open
{
OnCashDrawerOpen();
}
else
{
OnCashDrawerClose(); // Cash drawer close
}
}
}
catch (Exception) // Printer impossible
{
OnPrinterImpossible();
}
Thread.Sleep(1000);
}
}
}
/// <summary>
/// Sample : Monitoring printer process.
/// </summary>
private void MonitoringPrinter()
{
uint tickCount = (uint)Environment.TickCount;
while (true)
{
// Check printer status is changed for update status to Star Cloud Services.
isChangeStatus = false;
lock (lockObject)
{
try
{
if (port != null)
{
StarPrinterStatus status = port.GetParsedStatus();
// if printer status is changed "isChangeStatus" comes true.
CheckPrinterStatus(status); // Check printer status.
CheckPaperStatus(status); // Check paper status.
CheckCoverStatus(status); // Check cover status.
// Your printer cash drawer open status.
bool cashDrawerOpenActiveHigh = SharedInformationManager.GetDrawerOpenStatus();
CheckCashDrawerStatus(status, cashDrawerOpenActiveHigh); // Check cash drawer status.
}
}
catch (Exception) // Printer impossible
{
OnPrinterImpossible();
}
finally
{
// if printer status is not changed for some times, update status.
if ((UInt32)Environment.TickCount - tickCount >= 300000)
{
isChangeStatus = true;
}
// if printer status is changed, upload printer status to Star Cloud Services.
if (isChangeStatus)
{
OnStatusUpdated();
}
tickCount = (UInt32)Environment.TickCount;
}
Thread.Sleep(1000);
}
}
}
private void CheckCashDrawer(StarPrinterStatus status)
{
// Your printer cash drawer open status.
bool cashDrawerOpenActiveHigh = SharedInformationManager.GetDrawerOpenStatus();
if (status.CompulsionSwitch == cashDrawerOpenActiveHigh) // Cash drawer open
{
OnCashDrawerOpen();
}
else
{
OnCashDrawerClose(); // Cash drawer close
}
}