public PinSelectViewModel()
{
StartPINCommand = new RelayCommand(DoPINSelect, param => this.canExecute);
RefreshCommand = new RelayCommand(DoRefresh, param => this.canExecute);
try
{
_token = StartupProperties.URL.ToString();
}
catch (Exception ex)
{
_token = ex.Message;
}
PINPadSearch search = new PINPadSearch();
var devices = search.SearchForConnectedPINPads();
if (devices.Count() > 0)
{
PINPads = devices;
}
else
{
PINPads = new IPINPad[0];
}
}
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 DoRefresh(object obj)
{
PINPadSearch search = new PINPadSearch();
var devices = search.SearchForConnectedPINPads();
if (devices.Count() > 0)
{
PINPads = devices;
SelectedPINPad = devices[0];
}
else
{
PINPads = new IPINPad[0];
}
}
