private void DisposeInternal()
{
if (_disposed)
{
return;
}
SystemEvents.SessionEnding -= SystemEvents_SessionEnding;
SystemEvents.SessionSwitch -= SystemEvents_SessionSwitch;
SystemEvents.PowerModeChanged -= SystemEvents_PowerModeChanged;
if (_timer != null)
{
_timer.Dispose();
_timer = null;
}
if (_handleToPowerOnNotificationRegistration != IntPtr.Zero)
{
UnregisterPowerSettingNotification(_handleToPowerOnNotificationRegistration);
_handleToPowerOnNotificationRegistration = IntPtr.Zero;
}
if (_handleToMonitorStateNotificationRegistration != IntPtr.Zero)
{
UnregisterPowerSettingNotification(_handleToMonitorStateNotificationRegistration);
_handleToMonitorStateNotificationRegistration = IntPtr.Zero;
}
_disposed = true;
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources.
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (_timer != null)
{
_timer.Dispose();
_timer = null;
}
}
}
