/// <summary>
/// Disconnects from the wireless LAN associated to a specified wireless interface.
/// </summary>
/// <param name="interfaceId">Interface ID</param>
/// <returns>True if successfully requested the disconnection. False if failed.</returns>
public static bool DisconnectNetwork(Guid interfaceId)
{
if (interfaceId == Guid.Empty)
{
throw new ArgumentException(nameof(interfaceId));
}
using (var client = new Base.WlanClient())
{
return(Base.Disconnect(client.Handle, interfaceId));
}
}
/// <summary>
/// Asynchronously disconnects from the wireless LAN associated to a specified wireless interface.
/// </summary>
/// <param name="interfaceId">Interface ID</param>
/// <param name="timeout">Timeout duration</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>True if successfully disconnected. False if failed or timed out.</returns>
public static async Task <bool> DisconnectNetworkAsync(Guid interfaceId, TimeSpan timeout, CancellationToken cancellationToken)
{
if (interfaceId == Guid.Empty)
{
throw new ArgumentException(nameof(interfaceId));
}
if (timeout < TimeSpan.Zero)
{
throw new ArgumentException(nameof(timeout));
}
using (var client = new Base.WlanClient())
{
var tcs = new TaskCompletionSource <bool>();
Action <IntPtr, IntPtr> callback = (data, context) =>
{
var notificationData = Marshal.PtrToStructure <WLAN_NOTIFICATION_DATA>(data);
if (notificationData.NotificationSource != WLAN_NOTIFICATION_SOURCE_ACM)
{
return;
}
Debug.WriteLine("Callback: {0}", (WLAN_NOTIFICATION_ACM)notificationData.NotificationCode);
switch (notificationData.NotificationCode)
{
case (uint)WLAN_NOTIFICATION_ACM.wlan_notification_acm_disconnected:
Task.Run(() => tcs.SetResult(true));
break;
}
};
Base.RegisterNotification(client.Handle, WLAN_NOTIFICATION_SOURCE_ACM, callback);
var result = Base.Disconnect(client.Handle, interfaceId);
if (!result)
{
tcs.SetResult(false);
}
var disconnectTask = tcs.Task;
var completedTask = await Task.WhenAny(disconnectTask, Task.Delay(timeout, cancellationToken));
return((completedTask == disconnectTask) && disconnectTask.Result);
}
}
