private void PublishLaunchApp()
{
proximityDevice = Windows.Networking.Proximity.ProximityDevice.GetDefault();
if (proximityDevice != null)
{
// The format of the app launch string is: "<args>\tWindows\t<AppName>".
// The string is tab or null delimited.
// The <args> string can be an empty string ("").
string launchArgs = "user=default";
// The format of the AppName is: PackageFamilyName!PRAID.
string praid = "{b8c21b6b-2f16-49f6-9ee9-b3a713c54500}"; // The Application Id value from your package.appxmanifest.
string appName = Windows.ApplicationModel.Package.Current.Id.FamilyName + "!" + praid;
string launchAppMessage = launchArgs + "\tWindows\t" + appName;
var dataWriter = new Windows.Storage.Streams.DataWriter();
dataWriter.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf16LE;
dataWriter.WriteString(launchAppMessage);
var launchAppPubId =
proximityDevice.PublishBinaryMessage(
"LaunchApp:WriteTag", dataWriter.DetachBuffer());
}
}
public async Task TurnOffSensor()
{
try {
Debug.WriteLine("Begin turn off sensor: " + SensorIndex.ToString());
// Turn on sensor
if (SensorIndex >= 0 && SensorIndex != SensorIndexes.KEYS && SensorIndex != SensorIndexes.IO_SENSOR && SensorIndex != SensorIndexes.REGISTERS)
{
if (Configuration != null)
{
if (Configuration.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
{
var writer = new Windows.Storage.Streams.DataWriter();
if (SensorIndex == SensorIndexes.MOVEMENT)
{
byte[] bytes = new byte[] { 0x00, 0x00 };//Fixed
writer.WriteBytes(bytes);
}
else
{
writer.WriteByte((Byte)0x00);
}
var status = await Configuration.WriteValueAsync(writer.DetachBuffer());
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine("Error: TurnOffSensor(): " + SensorIndex.ToString() + " " + ex.Message);
}
Debug.WriteLine("End turn off sensor: " + SensorIndex.ToString());
}
async void InitializeBluetooth()
{
try
{
var service_id = RfcommServiceId.FromUuid(Guid.Parse("ff1477c2-7265-4d55-bb08-c3c32c6d635c"));
provider = await RfcommServiceProvider.CreateAsync(service_id);
StreamSocketListener listener = new StreamSocketListener();
listener.ConnectionReceived += OnConnectionReceived;
await listener.BindServiceNameAsync(
provider.ServiceId.AsString(),
SocketProtectionLevel.BluetoothEncryptionAllowNullAuthentication);
// InitializeServiceSdpAttributes
var writer = new Windows.Storage.Streams.DataWriter();
writer.WriteByte(SERVICE_VERSION_ATTRIBUTE_TYPE);
writer.WriteUInt32(SERVICE_VERSION);
var data = writer.DetachBuffer();
provider.SdpRawAttributes.Add(SERVICE_VERSION_ATTRIBUTE_ID, data);
provider.StartAdvertising(listener, true);
}
catch (Exception error)
{
Debug.WriteLine(error.ToString());
}
}
public async Task TurnOnSensor()
{
Debug.WriteLine("Begin turn on sensor: " + SensorIndex.ToString());
// Turn on sensor
if (SensorIndex >= 0 && SensorIndex != SensorIndexes.KEYS && SensorIndex != SensorIndexes.IO_SENSOR && SensorIndex != SensorIndexes.REGISTERS)
{
if (Configuration != null)
{
if (Configuration.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
{
var writer = new Windows.Storage.Streams.DataWriter();
// Special value for Gyroscope to enable all 3 axes
////////if (sensor == GYROSCOPE)
//////// writer.WriteByte((Byte)0x07);
////////else
// Special value for Gyroscope to enable all 3 axes
if (SensorIndex == SensorIndexes.MOVEMENT)
{
byte[] bytes = new byte[] { 0x7f, 0x00 };
writer.WriteBytes(bytes);
}
else
{
writer.WriteByte((Byte)0x01);
}
var status = await Configuration.WriteValueAsync(writer.DetachBuffer());
}
}
}
Debug.WriteLine("End turn on sensor: " + SensorIndex.ToString());
}
private void PublishLaunchApp()
{
proximityDevice = Windows.Networking.Proximity.ProximityDevice.GetDefault();
if (proximityDevice != null)
{
// The format of the app launch string is: "<args>\tWindows\t<AppName>".
// The string is tab or null delimited.
// The <args> string must have at least one character.
string launchArgs = "user=default";
// The format of the AppName is: PackageFamilyName!PRAID.
string praid = "MyAppId"; // The Application Id value from your package.appxmanifest.
string appName = Windows.ApplicationModel.Package.Current.Id.FamilyName + "!" + praid;
string launchAppMessage = launchArgs + "\tWindows\t" + appName;
var dataWriter = new Windows.Storage.Streams.DataWriter();
dataWriter.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf16LE;
dataWriter.WriteString(launchAppMessage);
var launchAppPubId =
proximityDevice.PublishBinaryMessage(
"LaunchApp:WriteTag", dataWriter.DetachBuffer());
}
}
/// <summary>
/// SET_LINE_CODING CDC request.
/// </summary>
/// <param name="index">Interface index.</param>
/// <param name="dteRate">Data terminal rate, in bits per second.</param>
/// <param name="charFormat">Stop bits.</param>
/// <param name="parityType">Parity.</param>
/// <param name="dataBits">Data bits.</param>
/// <returns>
/// The result of Task contains a length of bytes actually sent to the serial port.
/// </returns>
private Task <uint> SetLineCoding(
uint index,
uint dteRate,
byte charFormat,
byte parityType,
byte dataBits
)
{
// SetLineCoding
var writer = new Windows.Storage.Streams.DataWriter();
writer.ByteOrder = Windows.Storage.Streams.ByteOrder.LittleEndian;
writer.WriteUInt32(dteRate);
writer.WriteByte(charFormat);
writer.WriteByte(parityType);
writer.WriteByte(dataBits);
var buffer = writer.DetachBuffer();
var requestType = new UsbControlRequestType();
requestType.AsByte = RequestType.Set;
return(UsbControlRequestForSet(
index,
requestType,
RequestCode.SetLineCoding,
0,
buffer));
}
/// <summary>
/// Publish and subscribe a dealcards -message.
/// </summary>
public void DealCards()
{
state = ProtoState.DealCard;
if (IsMaster())
{
opponentsCards = App.CardModel.SuffleCards();
Message msg = new Message(Message.TypeEnum.EDealCards);
msg.CardIds = opponentsCards;
// Construct and serialize a dealcards -message.
MemoryStream mstream = _nfcMessage.SerializeMessage(msg);
var dataWriter = new Windows.Storage.Streams.DataWriter();
dataWriter.WriteBytes(mstream.GetBuffer());
// Publish the message
_publishedMsgId = _proximityDevice.PublishBinaryMessage("Windows.CarTrumps",
dataWriter.DetachBuffer(), NfcWriteCallback);
}
else
{
// subscribe for a reply
_subscribedMsgId = _proximityDevice.SubscribeForMessage("Windows.CarTrumps",
NfcMessageReceived);
}
}
private async Task <bool> WriteSensor(byte[] bytes, ServiceCharacteristicsEnum character)
{
Debug.WriteLine("Begin write sensor: " + SensorIndex.ToString());
bool ret = false;
if (GattService != null)
{
GattCharacteristic characteristic = null;
GattCharacteristicProperties flag = GattCharacteristicProperties.Write;
switch (character)
{
case ServiceCharacteristicsEnum.Data:
characteristic = this.Data;
break;
case ServiceCharacteristicsEnum.Notification:
flag = GattCharacteristicProperties.Notify;
characteristic = this.Notification;
break;
case ServiceCharacteristicsEnum.Configuration:
characteristic = this.Configuration;
break;
case ServiceCharacteristicsEnum.Period:
characteristic = this.Period;
break;
case ServiceCharacteristicsEnum.Address:
characteristic = this.Address;
break;
case ServiceCharacteristicsEnum.Device_Id:
characteristic = this.Device_Id;
break;
}
if (characteristic != null)
{
if (characteristic.CharacteristicProperties.HasFlag(flag))
{
var writer = new Windows.Storage.Streams.DataWriter();
writer.WriteBytes(bytes);
var status = await characteristic.WriteValueAsync(writer.DetachBuffer());
if (status == GattCommunicationStatus.Success)
{
ret = true;
}
}
}
}
Debug.WriteLine("End write sensor: " + SensorIndex.ToString());
return(ret);
}
private Windows.Storage.Streams.IBuffer GetBufferFromBytes(byte[] str)
{
using (Windows.Storage.Streams.InMemoryRandomAccessStream memoryStream = new Windows.Storage.Streams.InMemoryRandomAccessStream())
{
using (Windows.Storage.Streams.DataWriter dataWriter = new Windows.Storage.Streams.DataWriter(memoryStream))
{
dataWriter.WriteBytes(str);
return(dataWriter.DetachBuffer());
}
}
}
/// <summary>
/// This is the click handler for the 'scenario3BtnBuffer' button. You would replace this with your own handler
/// if you have a button or buttons on this page.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void Scenario3BtnBuffer_Click(object sender, RoutedEventArgs e)
{
try
{
// Get load settings
var loadSettings = new Windows.Data.Xml.Dom.XmlLoadSettings();
if (true == scenario3RB1.IsChecked)
{
loadSettings.ProhibitDtd = true; // DTD is prohibited
loadSettings.ResolveExternals = false; // Disable the resolve to external definitions such as external DTD
}
else if (true == scenario3RB2.IsChecked)
{
loadSettings.ProhibitDtd = false; // DTD is not prohibited
loadSettings.ResolveExternals = false; // Disable the resolve to external definitions such as external DTD
}
else if (true == scenario3RB3.IsChecked)
{
loadSettings.ProhibitDtd = false; // DTD is not prohibited
loadSettings.ResolveExternals = true; // Enable the resolve to external definitions such as external DTD
}
String xml;
scenario3OriginalData.Document.GetText(Windows.UI.Text.TextGetOptions.None, out xml);
// Set external dtd file path
if (loadSettings.ResolveExternals == true && loadSettings.ProhibitDtd == false)
{
Windows.Storage.StorageFolder storageFolder = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFolderAsync("loadExternaldtd");
String dtdPath = storageFolder.Path + "\\dtd.txt";
xml = xml.Replace("dtd.txt", dtdPath);
}
var dataWriter = new Windows.Storage.Streams.DataWriter();
dataWriter.WriteString(xml);
Windows.Storage.Streams.IBuffer ibuffer = dataWriter.DetachBuffer();
var doc = new Windows.Data.Xml.Dom.XmlDocument();
doc.LoadXmlFromBuffer(ibuffer, loadSettings);
Scenario.RichEditBoxSetMsg(scenario3Result, doc.GetXml(), true);
}
catch (Exception)
{
// After loadSettings.ProhibitDtd is set to true, the exception is expected as the sample XML contains DTD
Scenario.RichEditBoxSetError(scenario3Result, "Error: DTD is prohibited");
}
}
static void InitializeServiceSdpAttributes(RfcommServiceProvider provider)
{
var writer = new Windows.Storage.Streams.DataWriter();
// First write the attribute type
writer.WriteByte(SERVICE_VERSION_ATTRIBUTE_TYPE);
// Then write the data
writer.WriteUInt32(SERVICE_VERSION);
var data = writer.DetachBuffer();
provider.SdpRawAttributes.Add(SERVICE_VERSION_ATTRIBUTE_ID, data);
}
private static async Task <bool> WriteCharacteristic(GattCharacteristic characteristic, byte[] data)
{
var writer = new Windows.Storage.Streams.DataWriter();
writer.WriteBytes(data);
var result = await characteristic.WriteValueAsync(writer.DetachBuffer(), GattWriteOption.WriteWithResponse);
if (result == GattCommunicationStatus.Success)
{
Console.WriteLine("Characteristic value was written successfully");
return(true);
}
else
{
Console.WriteLine("connect error: Transport endpoint is not connected (107)");
return(false);
}
}
private void radioButtonDataFormat_Checked(object sender, RoutedEventArgs e)
{
if (sender.Equals(this.radioButtonAscii))
{
var binary = this.textBoxReadBulkInLogger.Text;
var separator = new String[1];
separator[0] = " ";
var byteArray = binary.Split(separator, StringSplitOptions.None);
// Binary to Unicode.
uint strlen = 0;
var writer = new Windows.Storage.Streams.DataWriter();
writer.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
foreach (var onebyte in byteArray)
{
if (onebyte.Length < 2)
{
continue;
}
writer.WriteByte(byte.Parse(onebyte, System.Globalization.NumberStyles.HexNumber));
strlen++;
}
var reader = Windows.Storage.Streams.DataReader.FromBuffer(writer.DetachBuffer());
this.textBoxReadBulkInLogger.Text = reader.ReadString(strlen);
}
else if (sender.Equals(this.radioButtonBinary))
{
var ascii = this.textBoxReadBulkInLogger.Text;
// Unicode to ASCII.
var chars = ascii.ToCharArray(0, ascii.Length);
var writer = new Windows.Storage.Streams.DataWriter();
writer.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
foreach (var onechar in chars)
{
writer.WriteByte((byte)onechar);
}
var str = Util.BinaryBufferToBinaryString(writer.DetachBuffer());
this.textBoxReadBulkInLogger.Text = str;
}
}
private async Task<int> send_command_async (string command, bool use_send_characteristic = true)
{
if (ganglion_device == null)
{
return (int) CustomExitCodes.GANGLION_IS_NOT_OPEN_ERROR;
}
if (send_characteristic == null)
{
return (int) CustomExitCodes.SEND_CHARACTERISTIC_NOT_FOUND_ERROR;
}
var writer = new Windows.Storage.Streams.DataWriter ();
writer.WriteString (command);
try
{
GattWriteResult result = null;
if (use_send_characteristic)
{
result = await send_characteristic.WriteValueWithResultAsync (writer.DetachBuffer ()).AsTask ().TimeoutAfter (timeout);
}
else
{
result = await disconnect_characteristic.WriteValueWithResultAsync (writer.DetachBuffer ()).AsTask ().TimeoutAfter (timeout);
}
if (result.Status == GattCommunicationStatus.Success)
{
return (int) CustomExitCodes.STATUS_OK;
}
else
{
return (int) CustomExitCodes.STOP_ERROR;
}
}
catch (TimeoutException e)
{
return (int) CustomExitCodes.TIMEOUT_ERROR;
}
catch (Exception e)
{
return (int) CustomExitCodes.GENERAL_ERROR;
}
return (int) CustomExitCodes.STATUS_OK;
}
private async void findDevices()
{
//var devices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(GattDeviceService.GetDeviceSelectorFromUuid(GattServiceUuids.GenericAccess));
var devices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(GattDeviceService.GetDeviceSelectorFromUuid(new Guid("19B10000-E8F2-537E-4F6C-D104768A1214")));
if (devices.Count == 0)
{
textBox.Text = "Devices not found!";
return;
}
//Connect to the service
var service = await GattDeviceService.FromIdAsync(devices[0].Id);
if (service == null)
{
return;
}
//Obtain the characteristic we want to interact with
//var characteristics = service.GetCharacteristics(GattCharacteristic.ConvertShortIdToUuid(0x2A00));
var characteristics = service.GetCharacteristics(new Guid("19B10001-E8F2-537E-4F6C-D104768A1214"));
characteristic = characteristics[0];
//Read the value
var writer = new Windows.Storage.Streams.DataWriter();
writer.WriteByte(12);
await characteristic.WriteValueAsync(writer.DetachBuffer());
var valueBytes = (await characteristic.ReadValueAsync()).Value.ToArray();
var value = await characteristic.ReadValueAsync();
//Convert to string
//var deviceName = System.Text.Encoding.UTF8.GetString(deviceNameBytes, 0, deviceNameBytes.Length);
characteristic.ValueChanged += Characteristic_ValueChanged;
await characteristic.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Notify);
textBox.Text = valueBytes[0].ToString();
}
private void buttonWriteBulkOut_Click(object sender, RoutedEventArgs e)
{
if (this.SerialPortInfo != null)
{
var dataToWrite = this.textBoxDataToWrite.Text;
var dispatcher = this.Dispatcher;
((Action)(async() =>
{
await dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(async() =>
{
// Unicode to ASCII.
var encoder = System.Text.Encoding.UTF8.GetEncoder();
var utf8bytes = new byte[dataToWrite.Length];
int bytesUsed, charsUsed;
bool completed;
encoder.Convert(dataToWrite.ToCharArray(), 0, dataToWrite.Length, utf8bytes, 0, utf8bytes.Length, true, out bytesUsed, out charsUsed, out completed);
var writer = new Windows.Storage.Streams.DataWriter();
writer.WriteBytes(utf8bytes);
var isChecked = checkBoxSendNullTerminateCharToBulkOut.IsChecked;
if (isChecked.HasValue && isChecked.Value == true)
{
writer.WriteByte(0x00); // NUL
}
var buffer = writer.DetachBuffer();
await this.SerialPortInfo.Port.Write(buffer, 0, buffer.Length);
var temp = this.textBoxWriteLog.Text;
temp += "Write completed: \"" + dataToWrite + "\" (" + buffer.Length.ToString() + " bytes)\n";
this.textBoxWriteLog.Text = temp;
this.textBoxDataToWrite.Text = "";
}));
}
)).Invoke();
}
}
/// <summary>
/// Publish and subscribe a showcard -message.
/// </summary>
public void ShowCard()
{
state = ProtoState.ShowCard;
StopAll();
// Construct and serialize a showcard -message.
Message msg = new Message(Message.TypeEnum.EShowCard);
msg.CardId = (ushort)App.CardModel.ActiveCard.CardId;
msg.SelectedCardProperty = App.CardModel.SelectedCardPropertyName;
MemoryStream mstream = _nfcMessage.SerializeMessage(msg);
var dataWriter = new Windows.Storage.Streams.DataWriter();
dataWriter.WriteBytes(mstream.GetBuffer());
// Publish the message
_publishedMsgId = _proximityDevice.PublishBinaryMessage("Windows.CarTrumps",
dataWriter.DetachBuffer(), NfcWriteCallback);
// and subscribe for a reply
_subscribedMsgId = _proximityDevice.SubscribeForMessage("Windows.CarTrumps",
NfcMessageReceived);
}
// Handles PeerFinder_AdvertiseButton click
void PeerFinder_StartAdvertising(object sender, RoutedEventArgs e)
{
// If PeerFinder is started, stop it, so that new properties
// selected by the user (Role/DiscoveryData) can be updated.
PeerFinder_StopAdvertising(sender, e);
rootPage.NotifyUser("", NotifyType.ErrorMessage);
if (!_peerFinderStarted)
{
// attach the callback handler (there can only be one PeerConnectProgress handler).
PeerFinder.TriggeredConnectionStateChanged += new TypedEventHandler<object, TriggeredConnectionStateChangedEventArgs>(TriggeredConnectionStateChangedEventHandler);
// attach the incoming connection request event handler
PeerFinder.ConnectionRequested += new TypedEventHandler<object, ConnectionRequestedEventArgs>(PeerConnectionRequested);
// Set the PeerFinder.Role property
switch (PeerFinder_SelectRole.SelectionBoxItem.ToString())
{
case "Peer":
PeerFinder.Role = PeerRole.Peer;
break;
case "Host":
PeerFinder.Role = PeerRole.Host;
break;
case "Client":
PeerFinder.Role = PeerRole.Client;
break;
}
// Set DiscoveryData property if the user entered some text
if ((PeerFinder_DiscoveryData.Text.Length > 0) && (PeerFinder_DiscoveryData.Text != "What's happening today?"))
{
using (var discoveryDataWriter = new Windows.Storage.Streams.DataWriter(new Windows.Storage.Streams.InMemoryRandomAccessStream()))
{
discoveryDataWriter.WriteString(PeerFinder_DiscoveryData.Text);
PeerFinder.DiscoveryData = discoveryDataWriter.DetachBuffer();
}
}
// start listening for proximate peers
PeerFinder.Start();
_peerFinderStarted = true;
PeerFinder_StopAdvertiseButton.Visibility = Visibility.Visible;
PeerFinder_ConnectButton.Visibility = Visibility.Visible;
if (_browseConnectSupported && _triggeredConnectSupported)
{
rootPage.NotifyUser("Click Browse for Peers button or tap another device to connect to a peer.", NotifyType.StatusMessage);
PeerFinder_BrowseGrid.Visibility = Visibility.Visible;
}
else if (_triggeredConnectSupported)
{
rootPage.NotifyUser("Tap another device to connect to a peer.", NotifyType.StatusMessage);
}
else if (_browseConnectSupported)
{
rootPage.NotifyUser("Click Browse for Peers button.", NotifyType.StatusMessage);
PeerFinder_BrowseGrid.Visibility = Visibility.Visible;
}
}
}
private void buttonLoopbackTest_Click(object sender, RoutedEventArgs e)
{
// Unicode to ASCII.
String textToSend = this.textBoxForLoopback.Text;
var encoder = System.Text.Encoding.UTF8.GetEncoder();
var utf8bytes = new byte[textToSend.Length];
int bytesUsed, charsUsed;
bool completed;
encoder.Convert(textToSend.ToCharArray(), 0, textToSend.Length, utf8bytes, 0, utf8bytes.Length, true, out bytesUsed, out charsUsed, out completed);
var writer = new Windows.Storage.Streams.DataWriter();
writer.WriteBytes(utf8bytes);
writer.WriteByte(0x00); // NUL
var buffer = writer.DetachBuffer();
this.buttonLoopbackTest.IsEnabled = false;
this.buttonStopLoopback.IsEnabled = true;
SDKTemplate.MainPage.Current.NotifyUser("", SDKTemplate.NotifyType.StatusMessage);
var dispatcher = this.Dispatcher;
((Action)(async () =>
{
await dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(async () =>
{
// serialport1 to serialport2
var readBuffer = new Windows.Storage.Streams.Buffer(buffer.Length);
readBuffer.Length = buffer.Length;
var writeTask = this.SerialPortInfo1.Port.Write(buffer, 0, buffer.Length).AsTask();
var readTask = this.Read(this.SerialPortInfo2.Port, readBuffer, Constants.InfiniteTimeout).AsTask();
try
{
await System.Threading.Tasks.Task.WhenAll(new System.Threading.Tasks.Task[] {writeTask, readTask});
readBuffer.Length = (uint)readTask.Result;
}
catch (System.OperationCanceledException)
{
// canceled.
SDKTemplate.MainPage.Current.NotifyUser("Canceled", SDKTemplate.NotifyType.ErrorMessage);
this.buttonLoopbackTest.IsEnabled = true;
this.buttonStopLoopback.IsEnabled = false;
return;
}
finally
{
this.cancelTokenSrcOpRead = null;
writeTask.AsAsyncAction().Cancel(); // just in case.
readTask.AsAsyncAction().Cancel(); // just in case.
}
var isSame = Util.CompareTo(buffer, readBuffer) == 0;
String statusMessage = "";
if (isSame)
{
statusMessage += "CDC device 2 received \"" + textToSend + "\" from CDC device 1. ";
}
else
{
statusMessage += "Loopback failed: CDC device 1 to CDC device 2. ";
}
// serialport2 to serialport1
readBuffer.Length = buffer.Length;
writeTask = this.SerialPortInfo2.Port.Write(buffer, 0, buffer.Length).AsTask();
readTask = this.Read(this.SerialPortInfo1.Port, readBuffer, Constants.InfiniteTimeout).AsTask();
try
{
await System.Threading.Tasks.Task.WhenAll(new System.Threading.Tasks.Task[] { writeTask, readTask });
readBuffer.Length = (uint)readTask.Result;
}
catch (System.OperationCanceledException)
{
// canceled.
SDKTemplate.MainPage.Current.NotifyUser("Canceled", SDKTemplate.NotifyType.ErrorMessage);
this.buttonLoopbackTest.IsEnabled = true;
this.buttonStopLoopback.IsEnabled = false;
return;
}
finally
{
this.cancelTokenSrcOpRead = null;
writeTask.AsAsyncAction().Cancel(); // just in case.
readTask.AsAsyncAction().Cancel(); // just in case.
}
isSame = Util.CompareTo(buffer, readBuffer) == 0;
if (isSame)
{
statusMessage += "CDC device 1 received \"" + textToSend + "\" from CDC device 2. ";
}
else
{
statusMessage += "Loopback failed: CDC device 2 to CDC device 1. ";
}
this.buttonLoopbackTest.IsEnabled = true;
this.buttonStopLoopback.IsEnabled = false;
SDKTemplate.MainPage.Current.NotifyUser(statusMessage, SDKTemplate.NotifyType.StatusMessage);
}));
}
)).Invoke();
}
private void PublishLaunchApp(ProximityDevice proximityDevice)
{
//var proximityDevice = Windows.Networking.Proximity.ProximityDevice.GetDefault();
if (proximityDevice != null)
{
// The format of the app launch string is:
// <args>\tWindows\t<AppFamilyBasedName>\tWindowsPhone\t<AppGUID>
// The string is tab delimited.
// The <args> string must have at least one character.
string launchArgs = "user=default";
// The format of the AppFamilyBasedName is: PackageFamilyName!PRAID.
string praid = "App"; // The Application Id value from your package.appxmanifest.
string appFamilyBasedName = Windows.ApplicationModel.Package.Current.Id.FamilyName + "!" + praid;
// GUID is PhoneProductId value from you package.appxmanifest
// NOTE: The GUID will change after you associate app to the app store
// Consider using windows.applicationmodel.store.currentapp.appid after the app is associated to the store.
string appGuid = "{55d006ef-be06-4019-bc6d-ec38f28a5304}";
string launchAppMessage = launchArgs +
"\tWindows\t" + appFamilyBasedName +
"\tWindowsPhone\t" + appGuid;
var dataWriter = new Windows.Storage.Streams.DataWriter();
dataWriter.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf16LE;
dataWriter.WriteString(launchAppMessage);
var launchAppPubId = proximityDevice.PublishBinaryMessage("LaunchApp:WriteTag", dataWriter.DetachBuffer());
}
}
private void radioButtonDataFormat_Checked(object sender, RoutedEventArgs e)
{
if (sender.Equals(this.radioButtonAscii))
{
var binary = this.textBoxReadBulkInLogger.Text;
var separator = new String[1];
separator[0] = " ";
var byteArray = binary.Split(separator, StringSplitOptions.None);
// Binary to Unicode.
uint strlen = 0;
var writer = new Windows.Storage.Streams.DataWriter();
writer.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
foreach (var onebyte in byteArray)
{
if (onebyte.Length < 2)
{
continue;
}
writer.WriteByte(byte.Parse(onebyte, System.Globalization.NumberStyles.HexNumber));
strlen++;
}
var reader = Windows.Storage.Streams.DataReader.FromBuffer(writer.DetachBuffer());
this.textBoxReadBulkInLogger.Text = reader.ReadString(strlen);
}
else if (sender.Equals(this.radioButtonBinary))
{
var ascii = this.textBoxReadBulkInLogger.Text;
// Unicode to ASCII.
var chars = ascii.ToCharArray(0, ascii.Length);
var writer = new Windows.Storage.Streams.DataWriter();
writer.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
foreach (var onechar in chars)
{
writer.WriteByte((byte)onechar);
}
var str = Util.BinaryBufferToBinaryString(writer.DetachBuffer());
this.textBoxReadBulkInLogger.Text = str;
}
}
public async Task <AsyncHandleListResult> DiscoverServicesAsync(string serviceName, bool fExpectResults = true, string serviceInfo = "")
{
List <WFDSvcWrapperHandle> results = new List <WFDSvcWrapperHandle>();
Exception error = null;
bool success = false;
try
{
ThrowIfDisposed();
WiFiDirectTestLogger.Log("Discover Services... (ServiceName={0}, ServiceInfo={1})", serviceName, serviceInfo);
string serviceSelector = "";
if (serviceInfo == "")
{
serviceSelector = WiFiDirectService.GetSelector(serviceName);
}
else
{
using (var serviceInfoDataWriter = new Windows.Storage.Streams.DataWriter(new Windows.Storage.Streams.InMemoryRandomAccessStream()))
{
serviceInfoDataWriter.WriteString(serviceInfo);
serviceSelector = WiFiDirectService.GetSelector(serviceName, serviceInfoDataWriter.DetachBuffer());
}
}
WiFiDirectTestLogger.Log("FindAllAsync... Using Selector: {0}", serviceSelector);
List <string> additionalProperties = new List <string>();
additionalProperties.Add("System.Devices.WiFiDirectServices.ServiceAddress");
additionalProperties.Add("System.Devices.WiFiDirectServices.ServiceName");
additionalProperties.Add("System.Devices.WiFiDirectServices.ServiceInformation");
additionalProperties.Add("System.Devices.WiFiDirectServices.AdvertisementId");
additionalProperties.Add("System.Devices.WiFiDirectServices.ServiceConfigMethods");
DeviceInformationCollection deviceInfoCollection = await DeviceInformation.FindAllAsync(serviceSelector, additionalProperties);
WiFiDirectTestLogger.Log(
"FindAllAsync...DONE Got {0} results",
(deviceInfoCollection == null) ? 0 : deviceInfoCollection.Count
);
if (deviceInfoCollection == null || deviceInfoCollection.Count == 0)
{
if (fExpectResults)
{
WiFiDirectTestLogger.Error("No services found!");
throw new Exception("Expected services discovered, found none!");
}
else
{
WiFiDirectTestLogger.Log("No services found (expected)");
}
}
else
{
if (!fExpectResults)
{
WiFiDirectTestLogger.Error("Services found, none expected!");
throw new Exception("Expected no services discovered, found at least 1!");
}
else
{
// NOTE: we don't clear this list
// Possible to discover A, discover B, then connect to A because its entry still exists
foreach (DeviceInformation deviceInfo in deviceInfoCollection)
{
WiFiDirectTestLogger.Log(
"Adding discovered service (Id={0}, Name={1})",
deviceInfo.Id,
deviceInfo.Name
);
DiscoveredService discovered = new DiscoveredService(deviceInfo, this, this, this);
discoveryCollection.Add(discovered.Handle, discovered);
results.Add(discovered.Handle);
}
}
}
success = true;
}
catch (Exception ex)
{
WiFiDirectTestLogger.Error("Exception in DiscoverServicesAsync");
error = ex;
}
return(new AsyncHandleListResult(results, success, error));
}
/// <summary>
/// Start advertising a service
/// </summary>
/// <param name="serviceName"></param>
/// <param name="autoAccept"></param>
/// <param name="preferGO"></param>
/// <param name="configMethods"></param>
/// <param name="status"></param>
/// <param name="customStatus"></param>
/// <param name="serviceInfo"></param>
/// <param name="deferredServiceInfo"></param>
/// <returns></returns>
public WFDSvcWrapperHandle PublishService(
string serviceName,
bool autoAccept = true,
bool preferGO = true,
List <WiFiDirectServiceConfigurationMethod> configMethods = null,
WiFiDirectServiceStatus status = WiFiDirectServiceStatus.Available,
uint customStatus = 0,
string serviceInfo = "",
string deferredServiceInfo = "",
List <String> prefixList = null
)
{
ThrowIfDisposed();
WiFiDirectTestLogger.Log("Creating Service: \"{0}\"", serviceName);
WiFiDirectServiceAdvertiser advertiser = new WiFiDirectServiceAdvertiser(serviceName);
advertiser.AutoAcceptSession = autoAccept;
advertiser.PreferGroupOwnerMode = preferGO;
advertiser.ServiceStatus = status;
advertiser.CustomServiceStatusCode = customStatus;
if (serviceInfo != null && serviceInfo.Length > 0)
{
using (var serviceInfoDataWriter = new Windows.Storage.Streams.DataWriter(new Windows.Storage.Streams.InMemoryRandomAccessStream()))
{
serviceInfoDataWriter.WriteString(serviceInfo);
advertiser.ServiceInfo = serviceInfoDataWriter.DetachBuffer();
}
WiFiDirectTestLogger.Log("Included Service Info: \"{0}\"", WiFiDirectTestUtilities.GetTruncatedString(serviceInfo));
}
else
{
advertiser.ServiceInfo = null;
}
if (deferredServiceInfo != null && deferredServiceInfo.Length > 0)
{
using (var deferredSessionInfoDataWriter = new Windows.Storage.Streams.DataWriter(new Windows.Storage.Streams.InMemoryRandomAccessStream()))
{
deferredSessionInfoDataWriter.WriteString(deferredServiceInfo);
advertiser.DeferredSessionInfo = deferredSessionInfoDataWriter.DetachBuffer();
}
WiFiDirectTestLogger.Log("Included Session Info: \"{0}\"", WiFiDirectTestUtilities.GetTruncatedString(deferredServiceInfo));
}
else
{
advertiser.DeferredSessionInfo = null;
}
if (configMethods != null)
{
advertiser.PreferredConfigurationMethods.Clear();
foreach (var configMethod in configMethods)
{
advertiser.PreferredConfigurationMethods.Add(configMethod);
WiFiDirectTestLogger.Log("Added config method {0}", configMethod.ToString());
}
}
if (prefixList != null && prefixList.Count > 0)
{
advertiser.ServiceNamePrefixes.Clear();
foreach (var prefix in prefixList)
{
advertiser.ServiceNamePrefixes.Add(prefix);
WiFiDirectTestLogger.Log("Added prefix {0}", prefix);
}
}
ServiceAdvertiser advertiserWrapper = new ServiceAdvertiser(advertiser, this, this, this);
advertiserCollection.Add(advertiserWrapper.Handle, advertiserWrapper);
WiFiDirectTestLogger.Log("Starting Service: \"{1}\" (Advertiser={0})", advertiserWrapper.Handle, serviceName);
advertiser.Start();
return(advertiserWrapper.Handle);
}
/// <summary>
/// This is the click handler for the 'scenario3BtnBuffer' button. You would replace this with your own handler
/// if you have a button or buttons on this page.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void Scenario3BtnBuffer_Click(object sender, RoutedEventArgs e)
{
try
{
// Get load settings
var loadSettings = new Windows.Data.Xml.Dom.XmlLoadSettings();
if (true == scenario3RB1.IsChecked)
{
loadSettings.ProhibitDtd = true; // DTD is prohibited
loadSettings.ResolveExternals = false; // Disable the resolve to external definitions such as external DTD
}
else if (true == scenario3RB2.IsChecked)
{
loadSettings.ProhibitDtd = false; // DTD is not prohibited
loadSettings.ResolveExternals = false; // Disable the resolve to external definitions such as external DTD
}
else if (true == scenario3RB3.IsChecked)
{
loadSettings.ProhibitDtd = false; // DTD is not prohibited
loadSettings.ResolveExternals = true; // Enable the resolve to external definitions such as external DTD
}
String xml;
scenario3OriginalData.Document.GetText(Windows.UI.Text.TextGetOptions.None, out xml);
// Set external dtd file path
if (loadSettings.ResolveExternals == true && loadSettings.ProhibitDtd == false)
{
Windows.Storage.StorageFolder storageFolder = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFolderAsync("loadExternaldtd");
String dtdPath = storageFolder.Path + "\\dtd.txt";
xml = xml.Replace("dtd.txt", dtdPath);
}
var dataWriter = new Windows.Storage.Streams.DataWriter();
dataWriter.WriteString(xml);
Windows.Storage.Streams.IBuffer ibuffer = dataWriter.DetachBuffer();
var doc = new Windows.Data.Xml.Dom.XmlDocument();
doc.LoadXmlFromBuffer(ibuffer, loadSettings);
Scenario.RichEditBoxSetMsg(scenario3Result, doc.GetXml(), true);
}
catch (Exception)
{
// After loadSettings.ProhibitDtd is set to true, the exception is expected as the sample XML contains DTD
Scenario.RichEditBoxSetError(scenario3Result, "Error: DTD is prohibited");
}
}
// Click event for "Advertise" button.
void AdvertiseForPeers(object sender, RoutedEventArgs e)
{
if (!started)
{
Windows.Networking.Proximity.PeerFinder.DisplayName = DisplayNameTextBox.Text;
if ((Windows.Networking.Proximity.PeerFinder.SupportedDiscoveryTypes &
Windows.Networking.Proximity.PeerDiscoveryTypes.Triggered) ==
Windows.Networking.Proximity.PeerDiscoveryTypes.Triggered)
{
Windows.Networking.Proximity.PeerFinder.TriggeredConnectionStateChanged +=
TriggeredConnectionStateChanged;
WriteMessageText("You can tap to connect a peer device that is " +
"also advertising for a connection.\n");
}
else
{
WriteMessageText("Tap to connect is not supported.\n");
}
if ((Windows.Networking.Proximity.PeerFinder.SupportedDiscoveryTypes &
Windows.Networking.Proximity.PeerDiscoveryTypes.Browse) !=
Windows.Networking.Proximity.PeerDiscoveryTypes.Browse)
{
WriteMessageText("Peer discovery using Wi-Fi Direct is not supported.\n");
}
// Set the peer role selected by the user.
if (launchedByTap)
{
Windows.Networking.Proximity.PeerFinder.Role = appRole;
}
else
{
switch (GetRoleFromUser())
{
case "Peer":
Windows.Networking.Proximity.PeerFinder.Role =
Windows.Networking.Proximity.PeerRole.Peer;
break;
case "Host":
Windows.Networking.Proximity.PeerFinder.Role =
Windows.Networking.Proximity.PeerRole.Host;
break;
case "Client":
Windows.Networking.Proximity.PeerFinder.Role =
Windows.Networking.Proximity.PeerRole.Client;
break;
}
}
// Set discoveryData property with user supplied text.
var discData = GetDiscoveryDataFromUser();
var writer = new Windows.Storage.Streams.DataWriter(
new Windows.Storage.Streams.InMemoryRandomAccessStream());
writer.WriteString(discData);
Windows.Networking.Proximity.PeerFinder.DiscoveryData =
writer.DetachBuffer();
Windows.Networking.Proximity.PeerFinder.Start();
started = true;
}
}
/// <summary>
/// SET_LINE_CODING CDC request.
/// </summary>
/// <param name="index">Interface index.</param>
/// <param name="dteRate">Data terminal rate, in bits per second.</param>
/// <param name="charFormat">Stop bits.</param>
/// <param name="parityType">Parity.</param>
/// <param name="dataBits">Data bits.</param>
/// <returns>
/// The result of Task contains a length of bytes actually sent to the serial port.
/// </returns>
private Task<uint> SetLineCoding(
uint index,
uint dteRate,
byte charFormat,
byte parityType,
byte dataBits
)
{
// SetLineCoding
var writer = new Windows.Storage.Streams.DataWriter();
writer.ByteOrder = Windows.Storage.Streams.ByteOrder.LittleEndian;
writer.WriteUInt32(dteRate);
writer.WriteByte(charFormat);
writer.WriteByte(parityType);
writer.WriteByte(dataBits);
var buffer = writer.DetachBuffer();
var requestType = new UsbControlRequestType();
requestType.AsByte = RequestType.Set;
return UsbControlRequestForSet(
index,
requestType,
RequestCode.SetLineCoding,
0,
buffer);
}
private void buttonLoopbackTest_Click(object sender, RoutedEventArgs e)
{
// Unicode to ASCII.
String textToSend = this.textBoxForLoopback.Text;
var encoder = System.Text.Encoding.UTF8.GetEncoder();
var utf8bytes = new byte[textToSend.Length];
int bytesUsed, charsUsed;
bool completed;
encoder.Convert(textToSend.ToCharArray(), 0, textToSend.Length, utf8bytes, 0, utf8bytes.Length, true, out bytesUsed, out charsUsed, out completed);
var writer = new Windows.Storage.Streams.DataWriter();
writer.WriteBytes(utf8bytes);
writer.WriteByte(0x00); // NUL
var buffer = writer.DetachBuffer();
this.buttonLoopbackTest.IsEnabled = false;
this.buttonStopLoopback.IsEnabled = true;
SDKTemplate.MainPage.Current.NotifyUser("", SDKTemplate.NotifyType.StatusMessage);
var dispatcher = this.Dispatcher;
((Action)(async() =>
{
await dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(async() =>
{
// serialport1 to serialport2
var readBuffer = new Windows.Storage.Streams.Buffer(buffer.Length);
readBuffer.Length = buffer.Length;
var writeTask = this.SerialPortInfo1.Port.Write(buffer, 0, buffer.Length).AsTask();
var readTask = this.Read(this.SerialPortInfo2.Port, readBuffer, Constants.InfiniteTimeout).AsTask();
try
{
await System.Threading.Tasks.Task.WhenAll(new System.Threading.Tasks.Task[] { writeTask, readTask });
readBuffer.Length = (uint)readTask.Result;
}
catch (System.OperationCanceledException)
{
// canceled.
SDKTemplate.MainPage.Current.NotifyUser("Canceled", SDKTemplate.NotifyType.ErrorMessage);
this.buttonLoopbackTest.IsEnabled = true;
this.buttonStopLoopback.IsEnabled = false;
return;
}
finally
{
this.cancelTokenSrcOpRead = null;
writeTask.AsAsyncAction().Cancel(); // just in case.
readTask.AsAsyncAction().Cancel(); // just in case.
}
var isSame = Util.CompareTo(buffer, readBuffer) == 0;
String statusMessage = "";
if (isSame)
{
statusMessage += "CDC device 2 received \"" + textToSend + "\" from CDC device 1. ";
}
else
{
statusMessage += "Loopback failed: CDC device 1 to CDC device 2. ";
}
// serialport2 to serialport1
readBuffer.Length = buffer.Length;
writeTask = this.SerialPortInfo2.Port.Write(buffer, 0, buffer.Length).AsTask();
readTask = this.Read(this.SerialPortInfo1.Port, readBuffer, Constants.InfiniteTimeout).AsTask();
try
{
await System.Threading.Tasks.Task.WhenAll(new System.Threading.Tasks.Task[] { writeTask, readTask });
readBuffer.Length = (uint)readTask.Result;
}
catch (System.OperationCanceledException)
{
// canceled.
SDKTemplate.MainPage.Current.NotifyUser("Canceled", SDKTemplate.NotifyType.ErrorMessage);
this.buttonLoopbackTest.IsEnabled = true;
this.buttonStopLoopback.IsEnabled = false;
return;
}
finally
{
this.cancelTokenSrcOpRead = null;
writeTask.AsAsyncAction().Cancel(); // just in case.
readTask.AsAsyncAction().Cancel(); // just in case.
}
isSame = Util.CompareTo(buffer, readBuffer) == 0;
if (isSame)
{
statusMessage += "CDC device 1 received \"" + textToSend + "\" from CDC device 2. ";
}
else
{
statusMessage += "Loopback failed: CDC device 2 to CDC device 1. ";
}
this.buttonLoopbackTest.IsEnabled = true;
this.buttonStopLoopback.IsEnabled = false;
SDKTemplate.MainPage.Current.NotifyUser(statusMessage, SDKTemplate.NotifyType.StatusMessage);
}));
}
)).Invoke();
}
public void toggleAllDigitalPinsV2(bool setPinsHigh)
{
//a DataWriter object uses an IBuffer as its backing storage
//we'll write our data to this object and detach the buffer to invoke sendSysex()
Windows.Storage.Streams.DataWriter writer = new Windows.Storage.Streams.DataWriter();
//we're defining our own command, so we're free to encode it how we want.
//let's send a '1' if we want the pins HIGH, and a 0 for LOW
writer.WriteByte((byte)(setPinsHigh ? 1 : 0));
//invoke the sendSysex command with ALL_PINS_COMMAND and our data payload as an IBuffer
//firmata.@lock();
firmata.sendSysex(ALL_PINS_COMMAND, writer.DetachBuffer());
//firmata.@unlock();
}
/// <summary>
/// Publish and subscribe a dealcards -message.
/// </summary>
public void DealCards()
{
state = ProtoState.DealCard;
if (IsMaster())
{
opponentsCards = App.CardModel.SuffleCards();
Message msg = new Message(Message.TypeEnum.EDealCards);
msg.CardIds = opponentsCards;
// Construct and serialize a dealcards -message.
MemoryStream mstream = _nfcMessage.SerializeMessage(msg);
var dataWriter = new Windows.Storage.Streams.DataWriter();
dataWriter.WriteBytes(mstream.GetBuffer());
// Publish the message
_publishedMsgId = _proximityDevice.PublishBinaryMessage("Windows.CarTrumps",
dataWriter.DetachBuffer(), NfcWriteCallback);
}
else
{
// subscribe for a reply
_subscribedMsgId = _proximityDevice.SubscribeForMessage("Windows.CarTrumps",
NfcMessageReceived);
}
}
/// <summary>
/// Publish and subscribe a showcard -message.
/// </summary>
public void ShowCard()
{
state = ProtoState.ShowCard;
StopAll();
// Construct and serialize a showcard -message.
Message msg = new Message(Message.TypeEnum.EShowCard);
msg.CardId = (ushort)App.CardModel.ActiveCard.CardId;
msg.SelectedCardProperty = App.CardModel.SelectedCardPropertyName;
MemoryStream mstream = _nfcMessage.SerializeMessage(msg);
var dataWriter = new Windows.Storage.Streams.DataWriter();
dataWriter.WriteBytes(mstream.GetBuffer());
// Publish the message
_publishedMsgId = _proximityDevice.PublishBinaryMessage("Windows.CarTrumps",
dataWriter.DetachBuffer(), NfcWriteCallback);
// and subscribe for a reply
_subscribedMsgId = _proximityDevice.SubscribeForMessage("Windows.CarTrumps",
NfcMessageReceived);
}
private Windows.Storage.Streams.IBuffer GetBufferFromBytes(byte[] str)
{
using (Windows.Storage.Streams.InMemoryRandomAccessStream memoryStream = new Windows.Storage.Streams.InMemoryRandomAccessStream())
{
using (Windows.Storage.Streams.DataWriter dataWriter = new Windows.Storage.Streams.DataWriter(memoryStream))
{
dataWriter.WriteBytes(str);
return dataWriter.DetachBuffer();
}
}
}
private void buttonWriteBulkOut_Click(object sender, RoutedEventArgs e)
{
if (this.SerialPortInfo != null)
{
var dataToWrite = this.textBoxDataToWrite.Text;
var dispatcher = this.Dispatcher;
((Action)(async () =>
{
await dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(async () =>
{
// Unicode to ASCII.
var encoder = System.Text.Encoding.UTF8.GetEncoder();
var utf8bytes = new byte[dataToWrite.Length];
int bytesUsed, charsUsed;
bool completed;
encoder.Convert(dataToWrite.ToCharArray(), 0, dataToWrite.Length, utf8bytes, 0, utf8bytes.Length, true, out bytesUsed, out charsUsed, out completed);
var writer = new Windows.Storage.Streams.DataWriter();
writer.WriteBytes(utf8bytes);
var isChecked = checkBoxSendNullTerminateCharToBulkOut.IsChecked;
if (isChecked.HasValue && isChecked.Value == true)
{
writer.WriteByte(0x00); // NUL
}
var buffer = writer.DetachBuffer();
await this.SerialPortInfo.Port.Write(buffer, 0, buffer.Length);
var temp = this.textBoxWriteLog.Text;
temp += "Write completed: \"" + dataToWrite + "\" (" + buffer.Length.ToString() + " bytes)\n";
this.textBoxWriteLog.Text = temp;
this.textBoxDataToWrite.Text = "";
}));
}
)).Invoke();
}
}
private async Task <bool> InitialKickEvents()
{
var writer = new Windows.Storage.Streams.DataWriter();
short val = 0x0100;
writer.WriteInt16(val);
GattCommunicationStatus writeResult = await writeCharacteristic.WriteValueAsync(writer.DetachBuffer());
bool success = writeResult == GattCommunicationStatus.Success;
return(success);
}
// Handles PeerFinder_AdvertiseButton click
void PeerFinder_StartAdvertising(object sender, RoutedEventArgs e)
{
// If PeerFinder is started, stop it, so that new properties
// selected by the user (Role/DiscoveryData) can be updated.
PeerFinder_StopAdvertising(sender, e);
rootPage.NotifyUser("", NotifyType.ErrorMessage);
if (!_peerFinderStarted)
{
// attach the callback handler (there can only be one PeerConnectProgress handler).
PeerFinder.TriggeredConnectionStateChanged += new TypedEventHandler <object, TriggeredConnectionStateChangedEventArgs>(TriggeredConnectionStateChangedEventHandler);
// attach the incoming connection request event handler
PeerFinder.ConnectionRequested += new TypedEventHandler <object, ConnectionRequestedEventArgs>(PeerConnectionRequested);
// Set the PeerFinder.Role property
switch (PeerFinder_SelectRole.SelectionBoxItem.ToString())
{
case "Peer":
PeerFinder.Role = PeerRole.Peer;
break;
case "Host":
PeerFinder.Role = PeerRole.Host;
break;
case "Client":
PeerFinder.Role = PeerRole.Client;
break;
}
// Set DiscoveryData property if the user entered some text
if ((PeerFinder_DiscoveryData.Text.Length > 0) && (PeerFinder_DiscoveryData.Text != "What's happening today?"))
{
using (var discoveryDataWriter = new Windows.Storage.Streams.DataWriter(new Windows.Storage.Streams.InMemoryRandomAccessStream()))
{
discoveryDataWriter.WriteString(PeerFinder_DiscoveryData.Text);
PeerFinder.DiscoveryData = discoveryDataWriter.DetachBuffer();
}
}
// start listening for proximate peers
PeerFinder.Start();
_peerFinderStarted = true;
PeerFinder_StopAdvertiseButton.Visibility = Visibility.Visible;
PeerFinder_ConnectButton.Visibility = Visibility.Visible;
if (_browseConnectSupported && _triggeredConnectSupported)
{
rootPage.NotifyUser("Click Browse for Peers button or tap another device to connect to a peer.", NotifyType.StatusMessage);
PeerFinder_BrowseGrid.Visibility = Visibility.Visible;
}
else if (_triggeredConnectSupported)
{
rootPage.NotifyUser("Tap another device to connect to a peer.", NotifyType.StatusMessage);
}
else if (_browseConnectSupported)
{
rootPage.NotifyUser("Click Browse for Peers button.", NotifyType.StatusMessage);
PeerFinder_BrowseGrid.Visibility = Visibility.Visible;
}
}
}