CollectionExtensions.TryAdd<TKey,TValue> Method
Definition
Important
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Tries to add the specified key and value to the dictionary.
public:
generic <typename TKey, typename TValue>
[System::Runtime::CompilerServices::Extension]
static bool TryAdd(System::Collections::Generic::IDictionary<TKey, TValue> ^ dictionary, TKey key, TValue value);public static bool TryAdd<TKey,TValue> (this System.Collections.Generic.IDictionary<TKey,TValue> dictionary, TKey key, TValue value);static member TryAdd : System.Collections.Generic.IDictionary<'Key, 'Value> * 'Key * 'Value -> bool<Extension()>
Public Function TryAdd(Of TKey, TValue) (dictionary As IDictionary(Of TKey, TValue), key As TKey, value As TValue) As BooleanType Parameters
- TKey
The type of the keys in the dictionary.
- TValue
The type of the values in the dictionary.
Parameters
- dictionary
- IDictionary<TKey,TValue>
A dictionary with keys of type TKey and values of type TValue.
- key
- TKey
The key of the value to add.
- value
- TValue
The value to add.
Returns
true when the key and value are successfully added to the dictionary; false when the dictionary already contains the specified key, in which case nothing gets added.
Exceptions
dictionary is null.
Applies to
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