private void GetFormatVariables(object sender, DoWorkEventArgs e)
{
object[] parameters = e.Argument as object[];
dynamic selectedFormat = parameters[0] as dynamic;
string lastFormatOpened = (string)parameters[1];
string lastFormatOpenedSource = (string)parameters[2];
string lastFormatOpenedContents = (string)parameters[3];
object[] results = new object[4];
long formatId = long.Parse(selectedFormat.FormatId);
lastFormatOpened = selectedFormat.FormatDrive + selectedFormat.FormatName + selectedFormat.FormatExtension;
lastFormatOpenedSource = selectedFormat.FormatSource;
try {
OpenConnection();
ZebraPrinterLinkOs printer = ZebraPrinterFactory.GetLinkOsPrinter(printerConnection);
if (lastFormatOpenedSource.Equals("Sample") && formatId > 0)
{
using (SavedFormatProvider provider = new SavedFormatProvider()) {
lastFormatOpenedContents = provider.GetFormatContents(formatId);
}
}
else
{
byte[] formatInBytes = printer.RetrieveFormatFromPrinter(lastFormatOpened);
lastFormatOpenedContents = Encoding.UTF8.GetString(formatInBytes);
}
fieldDescDataVars = printer.GetVariableFields(lastFormatOpenedContents).ToList();
fieldDescDataVars = FormatFieldDescriptionDataVars(fieldDescDataVars);
formatVariableCollection = new ObservableCollection <FormatVariable>();
for (int i = 0; i < fieldDescDataVars.Count; ++i)
{
formatVariableCollection.Add(new FormatVariable {
FieldName = fieldDescDataVars[i].FieldName, FieldValue = ""
});
}
results[0] = lastFormatOpened;
results[1] = lastFormatOpenedSource;
results[2] = lastFormatOpenedContents;
results[3] = formatVariableCollection;
e.Result = results;
} catch (ConnectionException error) {
errorMessage = "Connection Error: " + error.Message;
} finally {
CloseConnection();
}
}