public void DoRefresh(object obj)
{
try
{
canDeviceInfo = false;
canPrint = false;
PrinterSearch search = new PrinterSearch();
var devices = search.SearchForConnectedPrinters();
if (devices.Count() > 0)
{
Printers = devices;
SelectedPrinter = devices[0];
canDeviceInfo = true;
canPrint = StartupProperties.Action == StartupProperties.Actions.PrintCard && !string.IsNullOrEmpty(StartupProperties.Token);
}
else
{
Printers = new IPrinter[0];
}
}
catch (Exception ex)
{
Error = ex.StackTrace;
Printers = new IPrinter[0];
}
}
/// <summary>
/// Метод фильтрации принтеров.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
private bool PrinterFiltering(object obj)
{
if (obj is PrinterDTO item)
{
return(item.Model.ToLower().Contains(PrinterSearch.ToLower()));
}
else
{
return(false);
}
}
public void DoDeviceSearch(object obj)
{
CanDeviceInfo =
CanPinTest =
CanPrintTest =
CanDeviceSearch = false;
CommandManager.InvalidateRequerySuggested();
KeyValuePair <int, string> selectedItem;
if (obj is KeyValuePair <int, string> )
{
selectedItem = (KeyValuePair <int, string>)obj;
}
else
{
throw new Exception();
}
Task.Factory.StartNew(() =>
{
Error = String.Empty;
Info = "Searching for Devices";
if (selectedItem.Key == 0)
{
var printerSearch = new PrinterSearch();
Devices = printerSearch.SearchForConnectedPrinters();
}
else if (selectedItem.Key == 1)
{
var pinPadSearch = new PINPadSearch();
Devices = pinPadSearch.SearchForConnectedPINPads();
}
else
{
}
if (Devices.Length > 0)
{
CanDeviceInfo = true;
CanPinTest = selectedItem.Key == 1;
CanPrintTest = selectedItem.Key == 0;
}
Info = "Done Searching";
})
.ContinueWith(manifest =>
{
CanDeviceSearch = true;
CommandManager.InvalidateRequerySuggested();
}, TaskScheduler.FromCurrentSynchronizationContext());
}
public void GetDeviceListTest()
{
PrinterSearch search = new PrinterSearch();
var printers = search.SearchForConnectedPrinters();
//var printers = ZebraZXP3.GetDeviceList();
if (printers.Length > 0)
{
using (printers[0])
{
string errMsg;
short alarm;
printers[0].Print();
}
}
}
