KGy SOFT Core Libraries Help
Allow
Determines whether the AllowNullDictionaryTKey, TValue contains a specific key.
Definition
Namespace: KGySoft.Collections
Assembly: KGySoft.CoreLibraries (in KGySoft.CoreLibraries.dll) Version: 10.0.0
if the AllowNullDictionaryTKey, TValue contains an element with the specified key; otherwise, .
Assembly: KGySoft.CoreLibraries (in KGySoft.CoreLibraries.dll) Version: 10.0.0
C#
public bool ContainsKey(
TKey key
)VB
Public Function ContainsKey (
key As TKey
) As BooleanC++
public:
virtual bool ContainsKey(
TKey key
) sealedF#
abstract ContainsKey :
key : 'TKey -> bool
override ContainsKey :
key : 'TKey -> bool Parameters
- key TKey
- The key to locate in the AllowNullDictionaryTKey, TValue.
Return Value
Booleanif the AllowNullDictionaryTKey, TValue contains an element with the specified key; otherwise, .
Implements
IDictionaryTKey, TValueContainsKey(TKey)Remarks
This method approaches an O(1) operation.