/// <summary>
/// Intersect two lists
/// </summary>
/// <param name="list1">First dictionary of instances to intersect</param>
/// <param name="list2">Second dictionary of instances to intersect</param>
public static ONListDictionary <TKey, TValue> Intersection(ONListDictionary <TKey, TValue> list1, ONListDictionary <TKey, TValue> list2)
{
ONListDictionary <TKey, TValue> lList = new ONListDictionary <TKey, TValue>();
if ((list1 == null) || (list2 == null))
{
return(lList);
}
foreach (ONListDictionaryEntry <TKey, TValue> lEntry in list1)
{
if (list2.ContainsKey(lEntry.Key))
{
lList.Add(lEntry.Key, lEntry.Value);
}
}
return(lList);
}
/// <summary>
/// Intersects the dictionary with other dictionary
/// </summary>
/// <param name="list">Dictionary to intersect</param>
public void Intersection(ONListDictionary <TKey, TValue> list)
{
if (list == null)
{
Clear();
return;
}
int mMaxIndex = -1;
foreach (ONListDictionaryEntry <TKey, TValue> lEntry in this)
{
if (!list.ContainsKey(lEntry.Key))
{
Remove(lEntry.Key);
}
else
{
mMaxIndex++;
lEntry.Index = mMaxIndex;
}
}
}