ConcurrentDictionary<TKey, TValue>.TryGetValue Method

.NET Framework 4.6 and 4.5

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

Namespace:  System.Collections.Concurrent
Assemblies:   mscorlib (in mscorlib.dll)
  System.Collections.Concurrent (in System.Collections.Concurrent.dll)

public bool TryGetValue(
	TKey key,
	out TValue value
)

Parameters

key
Type: TKey

The key of the value to get.

value
Type: TValue

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

Return Value

Type: System.Boolean
true if the key was found in the System.Collections.Concurrent.ConcurrentDictionary<TKey, TValue>; otherwise, false.

Implements

IDictionary<TKey, TValue>.TryGetValue(TKey, TValue)
IReadOnlyDictionary<TKey, TValue>.TryGetValue(TKey, TValue)

ExceptionCondition
ArgumentNullException

key is null.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1
Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
Show:
© 2015 Microsoft