public void Deactivate(bool close)
{
AttemptingDeactivation.Raise(this, new DeactivationEventArgs {
WasClosed = close
});
if (_disposeToken != null && close)
{
_disposeToken.Dispose();
}
IsActive = false;
OnDeactivate(close);
Deactivated.Raise(this, new DeactivationEventArgs {
WasClosed = close
});
}