static public void QuestionListClear()
{
string key = QUESTIONLIST;
if (CHCache.Contains(key))
{
CHCache.Remove(key);
}
}
static public void GroupClear(long groupid)
{
string key = GROUP;
if (CHCache.Contains(key))
{
CHCache.Remove(key);
}
}
public static void Clear(string fn)
{
CHCache.Remove(fn);
}
