private void SendListeningRequestToDriver()
{
//
// Step 1
// Open the handle to the driver with Overlapped async I/O flagged
//
SafeFileHandle device = null;
try
{
device = DeviceIO.OpenDevice("\\\\.\\IPv6ToBle", true);
}
catch
{
int code = Marshal.GetLastWin32Error();
DisplayErrorDialog("Could not open a handle to the driver, " +
"error code: " + code.ToString()
);
return;
}
lock (numThreadsActiveLock)
{
NumThreadsActive++;
}
IAsyncResult result = DeviceIO.BeginGetPacketFromDriverAsync <byte[]>(device,
IPv6ToBleIoctl.IOCTL_IPV6_TO_BLE_LISTEN_NETWORK_V6,
1280,
IPv6ToBleListenCompletionCallback,
null
);
}
private void SendListenRequestToDriver()
{
//
// Step 1
// Open an async handle to the driver
//
SafeFileHandle device = null;
try
{
device = DeviceIO.OpenDevice("\\\\.\\IPv6ToBle",
true // async
);
}
catch (Win32Exception e)
{
Debug.WriteLine("Error opening handle to the driver. " +
"Error code: " + e.NativeErrorCode
);
return;
}
//
// Step 2
// Begin an asynchronous operation to get a packet from the driver
//
IAsyncResult listenResult = DeviceIO.BeginGetPacketFromDriverAsync <byte[]>(
device,
IPv6ToBleIoctl.IOCTL_IPV6_TO_BLE_LISTEN_NETWORK_V6,
1280, // 1280 bytes max
PacketListenCompletionCallback,
null // no specific state to track
);
if (listenResult == null)
{
Debug.WriteLine("Invalid request to listen for a packet.");
}
}