///<summary>Returns distinct list of email strings to be recommended to user.
///Splits all email address fields into a large list of individual addresses into one large distinct list.
///When given list is null, will run query.</summary>
private void SetHistoricContacts(List<EmailMessage> listEmailMessages) {
if(EmailAddressPreview==null) {
//Only null when failed to match from address. If we do not know the from address then we can't load anything useful.
return;
}
EmailAddress emailAddressPreview=EmailAddressPreview.Clone();
ODThread thread=new ODThread(o => {
List<string> listHistoricContacts;
if(listEmailMessages==null) {
listHistoricContacts=EmailMessages.GetHistoricalEmailAddresses(emailAddressPreview);
}
else {
listHistoricContacts=EmailMessages.GetAddressesFromMessages(listEmailMessages);
}
this.InvokeIfRequired(() => {
_listHistoricContacts=listHistoricContacts;
_hasSetHistoricContacts=true;
});
});
thread.Name="SetHistoricContacts";
thread.Start();
}