public virtual void RaiseActiveTextPositionChangedEvent(TextPointer rangeStart, TextPointer rangeEnd)
{
if (EventMap.HasRegisteredEvent(AutomationEvents.ActiveTextPositionChanged))
{
IRawElementProviderSimple provider = ProviderFromPeer(this);
if (provider != null)
{
ActiveTextPositionChangedEventArgs args = new ActiveTextPositionChangedEventArgs(TextRangeFromTextPointers(rangeStart, rangeEnd));
AutomationInteropProvider.RaiseAutomationEvent(
AutomationElementIdentifiers.ActiveTextPositionChangedEvent,
provider,
args);
}
}
}
