protected override object InternalTryGetValue(PropertyBag.BasicPropertyStore propertyBag)
{
string itemClass = propertyBag.GetValue(InternalSchema.ItemClass) as string;
ResponseType responseType;
if (ObjectClass.IsMeetingPositiveResponse(itemClass))
{
responseType = ResponseType.Accept;
}
else if (ObjectClass.IsMeetingTentativeResponse(itemClass))
{
responseType = ResponseType.Tentative;
}
else
{
if (!ObjectClass.IsMeetingNegativeResponse(itemClass))
{
return(propertyBag.GetValue(InternalSchema.MapiResponseType));
}
responseType = ResponseType.Decline;
}
return(responseType);
}
