C#
VB
C++
Determines whether the IDictionary contains an element with the specified key.
public virtual bool ContainsKey(
TKey key
)
public:
virtual bool ContainsKey(
_TKey^_ key
)
key
The key to locate in the IDictionary.
true if the IDictionary contains an element with the key; otherwise, false.
Exceptions
Exception | Description |
---|---|
System.ArgumentNullException | key is null. |
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