private int IndexOfKey(object key)
{
for (int i = 0; i < objectsArray.Count; i++)
{
object o = ((DictionaryEntry)objectsArray[i]).Key;
if (_comparer != null)
{
if (_comparer.Equals(o, key))
{
return i;
}
}
else
{
if (o.Equals(key))
{
return i;
}
}
}
return -1;
}