Determines whether the IDictionary`2 contains an element with the specified key.
true if the IDictionary`2 contains an element with the key; otherwise, false.
IDictionary<TKey, TValue>.ContainsKey
| Exception Type | Condition | 
|---|---|
| ArgumentNullException | key is null. | 
DictionaryBase<TKey, TValue> Class | ComponentOwl.BetterListView Namespace