public ReadOnlyCollection <ISignatureHelpSession> GetSessions(ITextView textView)
{
FrugalList <ISignatureHelpSession> tempSessionList = new FrugalList <ISignatureHelpSession>();
IIntellisenseSessionStack sessionStack = this.IntellisenseSessionStackMap.GetStackForTextView(textView);
if (sessionStack == null)
{
return(tempSessionList.AsReadOnly());
}
foreach (var session in sessionStack.Sessions)
{
ISignatureHelpSession sigHelpSession = session as ISignatureHelpSession;
if (sigHelpSession != null)
{
tempSessionList.Add(sigHelpSession);
}
}
return(tempSessionList.AsReadOnly());
}