Year 2018 Changes Log

• The new wclCustomServerClientDataProcessor class allows you to implement custom server data processors.
• Fixed issue with processing the OBEX ABORT command in the OBEX client implementation.
• The new GetSdpAttributes event has been added to the wclRfCommServer class. The event allows you to change the default SDP record and add new attributes (refer to the OppServer demo application to find out how to use it for the OBEX Object Push profile).
• The OBEX Object Push server has been added.
• The 16-bit UUIDs (Bluetooth protocols and services) definitions were added.
• The WCL_E_BLUETOOTH_LINK_UNEXPECTED error description has been updated.
• New error code: WCL_E_BLUETOOTH_PAIRED_BY_OTHER.
• New error code: WCL_E_OBEX_CREATE_CONNECTION_ID_MUTEX_FAILED.
• New error code: WCL_E_OBEX_MAX_CONNECTION_ID.
• New error code: WCL_E_OBEX_INVALID_STATE.

Bluetooth Framework

• The messaging subsystem has been reworked to prevent memory fragmentation, to work faster, and to use less memory.
• Some data type conversion code has been changed to prevent the access violation or value out of range errors.
• Turning a WiFi radio on and off on platforms other than Windows 10.
• Turning a specific WiFi interface on and off.
• The TurnOn and TurnOff methods have been moved from the wclWiFiClient class to the wclWiFiInterface class.

WiFi Framework

• The messaging subsystem has been reworked to prevent memory fragmentation, to work faster, and to use less memory.
• Some data type conversion code has been changed to prevent access violation or value out of range errors.

Serial Framework

• Minor improvement in the low-level code.
• The messaging subsystem has been reworked to prevent memory fragmentation, to work faster, and to use less memory.
• Some data type conversion code has been changed to prevent access violation or value out of range errors.
• .NET Framework: The low-level code has been reworked and updated.

IrDA Framework

• The name of the wclBluetoothLeBeaconAdvertiserConnection class has been changed to wclBluetoothLeAdvertiserConnection.
• The new wclBluetoothLeAdvertiserConnection, wclBluetoothLeRssiAdvertiserConnection, wclBluetoothLeUuidAdvertiserConnection, wclBluetoothLeAdvertiser, wclBluetoothLeRssiAdvertiser, and wclBluetoothLeUuidAdvertiser classes were added.
• The Bluetooth LE advertising code has been refactored.
• The set advertiser name feature has been implemented.
• New error code: WCL_E_BLUETOOTH_LE_ADVERTISING_SET_NAME_FAILED.
• The Beacons demo application has been updated to show how to set beacons advertising parameters.
• The Windows IoT Beacons demo application has been updated to show how to use the new AltBeacon advertiser.
• The GattClient demo application has been updated to show how to fix the issue that appears on Windows 10 1607 and above if a Bluetooth LE GATT-enabled device has already been paired.
• The messaging subsystem has been reworked to prevent memory fragmentation, to work faster, and to use less memory.
• The disabling of the Microsoft Bluetooth authentication agent code has been improved. Now the code monitors if another application changes these settings.
• Restoring the Microsoft Bluetooth authentication agent settings when work with Bluetooth has been finished.
• New error code: WCL_E_BLUETOOTH_CREATE_REG_CHANGE_TERMINATION_EVENT_FAILED.
• New error code: WCL_E_BLUETOOTH_CREATE_REG_CHANGE_RESULT_EVENT_FAILED.
• New error code: WCL_E_BLUETOOTH_START_REG_CHANGE_THREAD_FAILED.
• New error code: WCL_E_BLUETOOTH_REGISTER_AUTHENTICATION_CALLBACK_FAILED.
• New error code: WCL_E_BLUETOOTH_FAILED_TO_OPEN_AUTH_AGENT_REG_KEY.
• New error code: WCL_E_BLUETOOTH_CREATE_REG_CHANGES_NOTIFICATION_EVENT_FAILED.
• New error code: WCL_E_BLUETOOTH_UNABLE_SET_REGISTRY_CHANGES_NOTIFICATIONS.
• New error code: WCL_E_BLUETOOTH_UNABLE_TO_DISABLE_AUTHENTICATION_AGENT.
• The article that describes how to use GATT communication with the Bluetooth Framework has been updated to describe some issues that may appear on the Windows 10 platforms.

Bluetooth Framework

• Advertising as AltBeacon.
• The new OnAdvertisementFrameInformation event has been added to the wclBluetoothLeBeaconWatcher class. The event provides additional information about the Bluetooth LE advertisement frame.
• Receiving and parsing UUID frames (advertisement packets).

Bluetooth Framework

• Minor improvement in the low-level code.
• .NET Framework: The low-level code has been reworked and updated.

WiFi Framework

• Minor improvement in the low-level code.
• .NET Framework: The low-level code has been reworked and updated.

Serial Framework

• Minor fixes in the Bluetooth LE advertisement frames parser.
• Fixed the issue that appeared when the BLE devices discovering started.
• Fixed the issue that appeared during the GATT notifications receiving on Windows 10 15063.
• Parsing AltBeacon frames.
• Fixed the issue with reading RSSI value from Bluetooth LE devices.
• New error code: WCL_E_BLUETOOTH_LE_DEVICE_NOT_FOUND.
• New error code: WCL_E_BLUETOOTH_LE_GET_DEVICE_ID_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DEVICE_PROPERTIES_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_FEATURE_NOT_SUPPORTED.
• New error code: WCL_E_BLUETOOTH_LE_UNABLE_READ_RSSI.
• New error code: WCL_E_BLUETOOTH_LE_START_RSSI_THREAD_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_RSSI_READING_RESULT_FAILED.
• .NET Framework: The low-level code has been reworked and updated.

Bluetooth Framework

• New error code: WCL_E_WIFI_RES_ONEX_UI_CANCELLED.
• New error code: WCL_E_WIFI_RES_ONEX_PROFILE_INVALID_EXPLICIT_CREDENTIALS.
• New error code: WCL_E_WIFI_RES_ONEX_PROFILE_EXPIRED_EXPLICIT_CREDENTIALS.
• New error code: WCL_E_WIFI_RES_ONEX_UI_NOT_PERMITTED.
• The error WCL_E_WIFI_RES_UNDEFINED value has been changed.
• Now it is possible to add the Information Elements (IEs) in the scan probe requests (refer to the Scan method documentation).

WiFi Framework

• New error code: WCL_E_BLUETOOTH_LE_UNABLE_START_UNPAIRING.
• Fixed the issue with unpairing BLE (GATT) devices.

Bluetooth Framework

• New error code: WCL_E_BLUETOOTH_LE_UNSUPPORTED_BY_HARDWARE.
• New error code: WCL_E_BLUETOOTH_GET_BLUETOOTH_RADIO_ASYNC_FAILED.
• New error code: WCL_E_BLUETOOTH_BLUETOOTH_RADIO_INSTANCE_NOT_READY.
• Checking hardware features before calling any Bluetooth LE function.
• Enumerating precreated vCOMs with the Toshiba Bluetooth driver.
• Enumerating precreated vCOMs with the BlueSoleil Bluetooth driver.
• The BlueSoleil PIN pairing access violation error has been fixed.

Bluetooth Framework

• Fixed the bug in monitoring the Eddystone UID beacon.
• Fixed the bug in advertising as the Eddystone UID beacon.
• Enumerating pre-created Bluetooth vCOMs (the Microsoft Bluetooth driver).
• Fixed the Bluetooth LE advertisement packets parsing bug.
• The vCOM number data type has been changed from Byte (unsigned char) to Word (UInt16, unsigned short).
• The custom Bluetooth LE beacon class has been added. The class allows you to advertise any custom data packets.
• The Beacons demo application has been updated to show how to advertise custom data using the Bluetooth LE beacon implementation.
• Fixed the issues with reading remote device names. The fix works on Windows 10. On other platforms, if the GetRemoteName method returns WCL_E_SUCCESS and the returned value is empty, you have to wait for about 2 seconds and try to read the name again.

Bluetooth Framework

We finally found the way to discover only available Bluetooth devices when using the Microsoft Bluetooth driver. As you know, the Microsoft Bluetooth driver always returns paired devices during device discovery as just found. The Bluetooth Framework now able to discover only really available devices, even some of them paired. If the paired device is not available, it will not appear as a just-found device.

Bluetooth Framework

• Fixed the NullReferenceException bug that appeared when an application exits.
• Fixed the freezing issue that appeared when closing an application that is running with asynchronous message processing.
• Fixed the wclECritical exception bug when closing an application that is running with asynchronous message processing.
• The WiFi Direct IoT demos have been reworked.

WiFi Framework

• Fixed the freezing issue that appeared when closing an application that is running with asynchronous message processing.
• Fixed the wclECritical exception bug when closing an application that is running with asynchronous message processing.

Serial Framework

• Fixed the freezing issue that appeared when closing an application that is running with asynchronous message processing.
• Fixed the wclECritical exception bug when closing an application that is running with asynchronous message processing.

IrDA Framework

• Fixed the issue when the OnDisconnect event is not called when a Bluetooth LE GATT-enabled device disconnects (Windows 10 and Windows 10 IoT with the Microsoft Bluetooth driver).
• Fixed the freezing issue that appeared when closing an application that is running with asynchronous message processing.
• Fixed the wclECritical exception bug when closing an application that is running with asynchronous message processing.

Bluetooth Framework

• The Windows 10 IoT support has been added.
• The hardware changes monitoring code has been reworked.
• Fixed the memory leak bug in the WiFi Direct advertiser.
• New error codes were added.
• .NET Edition: The .NET Core 2.0+ support has been added; Visual Studio 2017 is required.
• .NET Edition: The Windows 10 IoT demo applications have been added; Visual Studio 2017 and .NET Core 2.0 are required.
• C++ Edition: The ARM architecture support has been added; Visual Studio 2017 is required.
• C++ Edition: The Windows 10 IoT demo applications were added; Visual Studio 2017 is required.

WiFi Framework

• The Windows 10 IoT support has been added.
• The hardware changes monitoring code has been reworked.
• The COM ports enumeration code has been reworked.
• The USB devices enumeration code has been reworked.
• New error codes were added.
• .NET Edition: The .NET Core 2.0+ support has been added; Visual Studio 2017 is required.
• .NET Edition: The Windows 10 IoT demo applications have been added; Visual Studio 2017 and .NET Core 2.0 are required.
• C++ Edition: The ARM architecture support has been added; Visual Studio 2017 is required.
• C++ Edition: The Windows 10 IoT demo applications were added; Visual Studio 2017 is required.

Serial Framework

• The Windows 10 IoT support has been added.
• The hardware changes monitoring code has been reworked.
• .NET Edition: The .NET Core 2.0+ support has been added; Visual Studio 2017 is required.
• C++ Edition: The ARM architecture support has been added; Visual Studio 2017 is required.

IrDA Framework

• The Windows 10 IoT support has been added.
• The hardware changes monitoring code has been reworked.
• New error code: WCL_E_BLUETOOTH_LE_ALREADY_PAIRED.
• .NET Edition: The .NET Core 2.0+ support has been added; Visual Studio 2017 is required.
• .NET Edition: The Windows 10 IoT demo applications have been added; Visual Studio 2017 and .NET Core 2.0 are required.
• C++ Edition: The ARM architecture support has been added; Visual Studio 2017 is required.
• C++ Edition: The Windows 10 IoT demo applications were added; Visual Studio 2017 is required.

Bluetooth Framework

• The non-ASCII SSID decoding bug has been fixed.
• Minor updates in the messages subsystem.
• .NET Edition: Dependence on Win32 assemblies has been removed.
• .NET Edition: .NET Standard 2.0 support was added.
• .NET Edition: Unity 2018 support has been added; .NET 4.x equivalent configuration is supported.
• .NET Edition: The new WPF demo applications written in C# were added.

WiFi Framework

• New error code: WCL_E_BLUETOOTH_NO_SYSTEM_RESOURCES.
• New error code: WCL_E_BLUETOOTH_LE_CHARACTERISTIC_NOT_WRITABLE.
• New error code: WCL_E_BLUETOOTH_LE_DEVICE_NOT_DISCOVERED.
• Fixed the issue when the characteristic value is empty during reading (the reading error occurs).
• Fixed the access violation bug that appeared on Windows 10 with the Microsoft Bluetooth driver when connecting to a GATT-enabled device without discovering.
• Fixed the bug in the classic Bluetooth devices pairing with the Microsoft Bluetooth driver after a Bluetooth hardware reconnection.
• Minor updates in the messages subsystem.
• .NET Edition: Dependence on Win32 assemblies has been removed.
• .NET Edition: .NET Standard 2.0 support was added.
• .NET Edition: Unity 2018 support has been added; .NET 4.x equivalent configuration is supported.
• .NET Edition: The new WPF demo applications written in C# were added.
• .NET Edition: Fixed the missing main.resx file issue in the OppClient C# demo application.

Bluetooth Framework

• Minor updates in the messages subsystem.
• .NET Edition: Dependence on Win32 assemblies has been removed.
• .NET Edition: .NET Standard 2.0 support was added.
• .NET Edition: Unity 2018 support has been added; .NET 4.x equivalent configuration is supported.

Serial Framework

• Minor updates in the messages subsystem.
• .NET Edition: Dependence on Win32 assemblies has been removed.
• .NET Edition: .NET Standard 2.0 support was added.
• .NET Edition: Unity 2018 support has been added; .NET 4.x equivalent configuration is supported.
• .NET Edition: The new WPF demo applications written in C# were added.

IrDA Framework

• The GATT secure reading and writing has been added.
• Fixed the issue with correct decoding of a GATT long UUID with the BlueSoleil Bluetooth driver.
• Small changes in the Bluetooth demo applications; code has been updated to show how to find a working radio.

Bluetooth Framework

• Enumerating the USB devices.
• Monitoring the USB hardware changes.

Serial Framework

• VCL Edition: Icons for the WiFi Direct components have been updated.
• The access violation bug in the WiFi Direct client has been fixed.
• The access violation bug in the WiFi Direct Aavertiser has been fixed.
• The WiFi Direct code refactoring.
• The WiFi Direct code optimization.
• The WiFi demo applications have been updated.

WiFi Framework

• .NET Edition: Fixed the minor memory leak when using GC handles.
• C++ Edition: Fixed the bug in the WiFi Direct advertiser demo application.
• Fixed bug with closing WiFi Direct Advertiser when WiFi was turned off;
• The WiFi Direct Watcher has been added. The class provides methods to discover nearby WiFi Direct devices.
• The WiFi Direct client has been added.

WiFi Framework

• The messaging subsystem has been modified for asynchronous messaging support.
• The asynchronous message processing has been implemented.

WiFi Framework

• The messaging subsystem has been modified for asynchronous messaging support.
• The asynchronous message processing has been implemented.

Serial Framework

• The messaging subsystem has been modified for asynchronous messaging support.
• The asynchronous message processing has been implemented.

IrDA Framework

• New error code: WCL_E_WINRT_DETACH_BUFFER_FAILED.
• New error code: WCL_E_BLUETOOTH_START_GET_DEV_TYPE_THREAD_FAILED.
• New error code: WCL_E_BLUETOOTH_GET_DEV_TYPE_THREAD_GET_RESULT_FAILED.
• New error code: WCL_E_BLUETOOTH_START_GET_DEV_NAME_THREAD_FAILED.
• New error code: WCL_E_BLUETOOTH_GET_DEV_NAME_THREAD_GET_RESULT_FAILED.
• The messaging subsystem has been modified for asynchronous messaging support.
• The asynchronous message processing has been implemented.
• The console demo application has been reworked to use new asynchronous messaging.

Bluetooth Framework

• Extended GATT errors decoding for the Microsoft Bluetooth driver on the Windows 10 platform.
• Extended error reporting for the BLE write, read, and subscribe GATT characteristic operations.

Bluetooth Framework

• Fixed the bug in the data processors that appeared when big data was sending.

Bluetooth Framework

• The WiFi Direct SoftAP error codes have been changed.
• The WiFi Direct advertising support was added.
• The WiFi Direct SoftAP OnDeviceConnected and OnDeviceDisconnected events have been changed.
• The new wclWiFiDirectDevice class that represents a remote WiFi Direct device and provides access to device properties.
• Reading remote IP address of the connected WiFi Direct device.
• Reading local IP address for the connection with the remote WiFi Direct device.
• Pairing with WiFi Direct devices.

WiFi Framework

• C++ Edition: Fixed some demo applications building errors.
• Added support for the custom data processors for the data client connections.
• The common OBEX support has been added.
• The OBEX Object Push profile support has been added.
• The new OppClient demo application was added.

Serial Framework

• C++ Edition: Fixed some demo applications building errors.
• Added support for the custom data processors for the data client connections.
• The common OBEX support has been added.
• The OBEX Object Push profile support has been added.
• The new OppClient demo application was added.

IrDA Framework

• .NET Edition: Forces a call to the GCCollect function to prevent memory overrun when monitoring BLE beacons.
• C++ Edition: Fixed some demo applications building errors.
• Added support for the custom data processors for the data client connections.
• The common OBEX support has been added.
• The OBEX Object Push profile support has been added.
• The new OppClient demo application was added.

Bluetooth Framework

• Fixed the bug in the VB.NET GattClient demo application.
• The Bluetooth LE descriptor write value issue is fixed.
• Fixed the bug with not disconnecting from Bluetooth LE GATT-enabled devices.
• Code optimization.
• The documentation was updated.
• Minor memory leak fixed.

Bluetooth Framework

• Code optimization.
• The documentation was updated.
• Minor memory leak fixed.

WiFi Framework

• Code optimization.
• The documentation was updated.
• Minor memory leak fixed.

Serial Framework

• The cfPersistDiscoveryProfile, cfPersistDiscoveryProfileConnectionModeAuto, and cfPersistDiscoveryProfileOverwriteExisting connection flags were added.
• The support for more than one WiFi adapter has been added.
• Connect to a BSS with the specified MAC.
• C++ Edition: The bug that appeared when connecting using a temporary profile in the WiFiClient demo application was fixed.
• C++ Edition: The bug that appeared during SSID reading in the WiFiClient demo application was fixed.
• C++ Edition: The bug that appeared when changing the encryption settings in the WiFiClient demo application was fixed.
• .NET Edition: Fixed the connect using temporary profile bug in the VB.NET WiFiClient demo application.

WiFi Framework

• Fixed the issue with discovering BLE devices using the BlueSoleil Bluetooth driver of version 10.0.497.0.
• Fixed the bug in the WinRT GATT writing characteristic value code.
• Minor fixes in the Bluetooth LE beacons advertising code.

Bluetooth Framework

• The "pairing-less" connection to Bluetooth LE GATT-enabled devices is now supported on Windows 10 and above.

Bluetooth Framework

• .NET Edition: The WinForms dependence has been removed.
• The reading OS version code has been updated for better Windows 10 support.

WiFi Framework

• .NET Edition: The WinForms dependence has been removed.
• The reading OS version code has been updated for better Windows 10 support.

Serial Framework

• .NET Edition: The WinForms dependence has been removed.
• The reading OS version code has been updated for better Windows 10 support.

IrDA Framework

• .NET Edition: The WinForms dependence has been removed.
• GATT Client: The abort reliable write operation was implemented.
• GATT Client: Two new error codes for better connection issues detection were added.
• The reading OS version code has been updated for better Windows 10 support.
• The OS version checking for the wclBluetoothLeBeaconWatcher class and the Bluetooth LE beacons has been improved.
• Fixed the issue with unpairing a BLE device if it was previously paired by a user.
• Extended error reporting for the GATT connection procedure.
• The Bluetooth LE beacon watcher has been reworked.
• Bluetooth LE discovering on the Windows 10 platform has been reworked.
• Reading remote Bluetooth device type has been reworked.
• The Microsoft GATT connection code has been reworked.
• New error codes.

Bluetooth Framework

• Preparation for WinUSB support.

Serial Framework

• BlueSoleil: Fixed the issue with writing to the "Write Without Response" characteristics.
• Microsoft: Fixed the issue with creating a virtual COM port when a Bluetooth-enabled device has already been paired through the Windows Bluetooth UI.

Bluetooth Framework

• Minor fixes in the Bluetooth asynchronous operation processing code.
• Bluetooth LE: Fixed the bug with writing to the "Write Without Response" characteristics.

Bluetooth Framework

• Switching a WiFi adapter on and off; Windows 10 is required.

WiFi Framework

• Switching a local Bluetooth radio module on and off with the Microsoft Bluetooth driver; Windows 10 is required.

Bluetooth Framework

• .NET Edition: Fixed the issue with reading NULL characters in a device's name.
• Fixed the access violation bug that appeared in the GetRemoteRssi method when used with the Microsoft Bluetooth driver and not Bluetooth 4-compatible hardware is used.
• RSSI reading improved. Now you do not need to be connected to the device.

Bluetooth Framework

• Fixed the minor memory leak bug that appeared in WinRT.

WiFi Framework

• Fixed the minor memory leak bug that appeared in WinRT.
• The classic Bluetooth devices RSSI reading with the Microsoft Bluetooth driver has been added; Windows 10 is required.

Bluetooth Framework

• Advertising as the Eddystone URL Beacon.

Bluetooth Framework

• Advertising as the Eddystone UID Beacon.

Bluetooth Framework

• Fixed the issue when the WiFi Direct SoftAP does not receive the device disconnection event.

WiFi Framework