public void RaisePropertyChangedEvent(AutomationPeer peer,
AutomationProperty property,
object oldValue,
object newValue)
{
if (!AccessibilityEnabled || peer == null)
{
return;
}
if (object.Equals(newValue, oldValue))
{
return;
}
// We are going to raise changes only when the value ACTUALLY CHANGES
IAutomationCacheProperty cachedProperty = peer.GetCachedProperty(property);
if (cachedProperty != null)
{
if (object.Equals(newValue, cachedProperty.OldValue))
{
return;
}
cachedProperty.OldValue = newValue;
}
if (AutomationPropertyChanged != null)
{
AutomationPropertyChanged(this,
new AutomationPropertyChangedEventArgs(peer,
property,
oldValue,
newValue));
}
}
public void RaisePropertyChangedEvent (AutomationPeer peer,
AutomationProperty property,
object oldValue,
object newValue)
{
if (!AccessibilityEnabled || peer == null)
return;
if (object.Equals (newValue, oldValue))
return;
// We are going to raise changes only when the value ACTUALLY CHANGES
IAutomationCacheProperty cachedProperty = peer.GetCachedProperty (property);
if (cachedProperty != null) {
if (object.Equals (newValue, cachedProperty.OldValue))
return;
cachedProperty.OldValue = newValue;
}
if (AutomationPropertyChanged != null)
AutomationPropertyChanged (this,
new AutomationPropertyChangedEventArgs (peer,
property,
oldValue,
newValue));
}
