/// <summary>
/// Unregisters a state object from being monitored.
/// </summary>
/// <param name="item">An <see cref="RasConnectionWatcherStateObject"/> to unregister.</param>
private void Unregister(RasConnectionWatcherStateObject item)
{
if (item != null)
{
item.WaitHandle.Unregister(item.WaitObject);
item.WaitObject.Close();
this._stateObjects.Remove(item);
}
}
private void Register(NativeMethods.RASCN changeType, RasHandle handle)
{
AutoResetEvent waitObject = new AutoResetEvent(false);
int ret = SafeNativeMethods.Instance.RegisterConnectionNotification(handle, waitObject.SafeWaitHandle, changeType);
if (ret == NativeMethods.SUCCESS)
{
RasConnectionWatcherStateObject stateObject = new RasConnectionWatcherStateObject(changeType);
stateObject.WaitObject = waitObject;
stateObject.WaitHandle = ThreadPool.RegisterWaitForSingleObject(waitObject, new WaitOrTimerCallback(this.ConnectionStateChanged), stateObject, Timeout.Infinite, false);
this._stateObjects.Add(stateObject);
}
}
/// <summary>
/// Stops the watcher from raising events.
/// </summary>
private void StopRaisingEvents()
{
if (!this.IsSuspended() && this.EnableRaisingEvents)
{
int count = this._stateObjects.Count;
for (int index = 0; index < count; index++)
{
RasConnectionWatcherStateObject item = this._stateObjects[0];
if (item != null)
{
this.Unregister(item);
}
}
}
}
/// <summary>
/// Unregisters a state object from being monitored.
/// </summary>
/// <param name="item">An <see cref="RasConnectionWatcherStateObject"/> to unregister.</param>
private void Unregister(RasConnectionWatcherStateObject item)
{
if (item != null)
{
item.WaitHandle.Unregister(item.WaitObject);
item.WaitObject.Close();
this._stateObjects.Remove(item);
}
}
private void Register(NativeMethods.RASCN changeType, RasHandle handle)
{
AutoResetEvent waitObject = new AutoResetEvent(false);
int ret = SafeNativeMethods.Instance.RegisterConnectionNotification(handle, waitObject.SafeWaitHandle, changeType);
if (ret == NativeMethods.SUCCESS)
{
RasConnectionWatcherStateObject stateObject = new RasConnectionWatcherStateObject(changeType);
stateObject.WaitObject = waitObject;
stateObject.WaitHandle = ThreadPool.RegisterWaitForSingleObject(waitObject, new WaitOrTimerCallback(this.ConnectionStateChanged), stateObject, Timeout.Infinite, false);
this._stateObjects.Add(stateObject);
}
}
