Επεξεργασία

Κοινή χρήση μέσω


ConcurrentDictionary<TKey,TValue>.TryGetValue(TKey, TValue) Method

Definition

Attempts to get the value associated with the specified key from the ConcurrentDictionary<TKey,TValue>.

public:
 virtual bool TryGetValue(TKey key, [Runtime::InteropServices::Out] TValue % value);
public bool TryGetValue (TKey key, out TValue value);
abstract member TryGetValue : 'Key * 'Value -> bool
override this.TryGetValue : 'Key * 'Value -> bool
Public Function TryGetValue (key As TKey, ByRef value As TValue) As Boolean

Parameters

key
TKey

The key of the value to get.

value
TValue

When this method returns, contains the object from the ConcurrentDictionary<TKey,TValue> that has the specified key, or the default value of the type if the operation failed.

Returns

true if the key was found in the ConcurrentDictionary<TKey,TValue>; otherwise, false.

Implements

Exceptions

key is null.

Applies to

See also