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Determines whether the ObservableDictionary<TKey, TValue> contains an element with the specified key.
public bool ContainsKey(TKey key)
| Type | Name | Description |
|---|---|---|
| TKey | key | The key to locate in the ObservableDictionary<TKey, TValue>. |
| Type | Description |
|---|---|
| bool | true if the ObservableDictionary<TKey, TValue> contains an element with the key; otherwise, false. |