public ComponentFeatureStateChangedEventArgs(IComponentFeatureStateCollection oldState, IComponentFeatureStateCollection newState)
{
if (oldState == null)
{
throw new ArgumentNullException(nameof(oldState));
}
if (newState == null)
{
throw new ArgumentNullException(nameof(newState));
}
OldState = oldState;
NewState = newState;
}
protected void OnStateChanged(IComponentFeatureStateCollection oldState, IComponentFeatureStateCollection newState)
{
StateChanged?.Invoke(this, new ComponentFeatureStateChangedEventArgs(oldState, newState));
}
protected void OnStateChanged(IComponentFeatureStateCollection oldState)
{
OnStateChanged(oldState, GetState());
}