private void UploadProfile(string profilePath, Connection connection)
{
if (connection != null)
{
try {
connection.Open();
ZebraPrinter genericPrinter = ZebraPrinterFactory.GetInstance(connection);
ZebraPrinterLinkOs printer = ZebraPrinterFactory.CreateLinkOsPrinter(genericPrinter);
if (printer != null)
{
printer.LoadProfile(profilePath, FileDeletionOption.NONE, false);
string printerAddress = connectionSelector.getConnectionAddress();
MessageBoxCreator.ShowInformation($"Profile loaded successfully to printer {printerAddress}", "Profile Uploaded Successfully");
}
else
{
MessageBoxCreator.ShowError("Profile loading is only available on Link-OS(TM) printers", "Error");
}
} catch (ConnectionException e) {
MessageBoxCreator.ShowError(e.Message, "Connection Error");
} catch (ZebraPrinterLanguageUnknownException e) {
MessageBoxCreator.ShowError(e.Message, "Connection Error");
} catch (IOException e) {
MessageBoxCreator.ShowError(e.Message, "Connection Error");
} catch (Exception e) {
MessageBoxCreator.ShowError(e.Message, "Upload Profile Error");
} finally {
SetButtonStates(true);
try {
connection.Close();
} catch (ConnectionException) { }
}
}
}
private async void UploadProfileButton_Clicked(object sender, EventArgs eventArgs)
{
SetInputEnabled(false);
Connection connection = null;
bool linePrintEnabled = false;
try {
await Task.Factory.StartNew(() => {
connection = CreateConnection();
connection.Open();
ZebraPrinter printer = ZebraPrinterFactory.GetInstance(connection);
ZebraPrinterLinkOs linkOsPrinter = ZebraPrinterFactory.CreateLinkOsPrinter(printer);
string originalPrinterLanguage = SGD.GET(DeviceLanguagesSgd, connection);
linePrintEnabled = "line_print".Equals(originalPrinterLanguage, StringComparison.OrdinalIgnoreCase);
if (linePrintEnabled)
{
SGD.SET(DeviceLanguagesSgd, "zpl", connection);
printer = ZebraPrinterFactory.GetInstance(connection);
linkOsPrinter = ZebraPrinterFactory.CreateLinkOsPrinter(printer);
}
string selectedFilename = (string)FileListView.SelectedItem;
if (selectedFilename != null)
{
if (linkOsPrinter != null)
{
string path = Path.Combine(LocalApplicationDataFolderPath, selectedFilename);
linkOsPrinter.LoadProfile(path, FileDeletionOption.NONE, false);
Xamarin.Forms.Device.BeginInvokeOnMainThread(async() => {
await DisplayAlert("Profile Uploaded Successfully", $"Profile loaded successfully to printer", "OK");
});
}
else
{
Xamarin.Forms.Device.BeginInvokeOnMainThread(async() => {
await DisplayAlert("Error", "Profile loading is only available on Link-OS\u2122 printers", "OK");
});
}
}
else
{
Xamarin.Forms.Device.BeginInvokeOnMainThread(async() => {
await DisplayAlert("No Profile Selected", "Please select a profile to upload", "OK");
});
}
});
} catch (Exception e) {
await DisplayAlert("Error", e.Message, "OK");
} finally {
if (linePrintEnabled)
{
await Task.Factory.StartNew(() => {
try {
connection?.Open();
SGD.SET(DeviceLanguagesSgd, "line_print", connection);
} catch (ConnectionException) { }
});
}
try {
connection?.Close();
} catch (ConnectionException) { }
SetInputEnabled(true);
}
}
