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

Reference

Definition

Namespace:: System.Collections.Immutable

Assembly:: System.Collections.Immutable.dll

Package:: System.Collections.Immutable v10.0.0-preview.1.25080.5

Source:: ImmutableDictionary_2.cs

Source:: ImmutableDictionary_2.cs

Source:: ImmutableDictionary_2.cs

Source:: ImmutableDictionary_2.cs

Important

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Gets the value associated with the specified key.

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 whose value will be retrieved.

value: TValue

When this method returns, contains the value associated with the specified key, if the key is found; otherwise, contains the default value for the type of the value parameter. This parameter is passed uninitialized.

Returns

Boolean

true if the object that implements the dictionary contains an element with the specified key; otherwise, false.

Implements

TryGetValue(TKey, TValue) TryGetValue(TKey, TValue)

Exceptions

ArgumentNullException

key is null.

Applies to

Производ	Верзије
.NET	Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8 (package-provided), 8, 9 (package-provided), 9, 10 (package-provided), 10
.NET Standard	2.0 (package-provided)
UWP	10.0

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