 | RankedDictionaryTKey, TValueTryGetValue Method |
Gets the value associated with the supplied key.
Namespace: Kaos.Collections
Assembly: KaosCollections (in KaosCollections.dll) Version: 4.2.0.0
SyntaxC#
public bool TryGetValue( TKey key, out TValue value )
Parameters
- key
- Type: TKey
The key of the value to get. - value
- Type: TValue
If key is found, its associated value is placed here; otherwise it will be loaded with the default for its type.
Return Value
Type: Booleantrue if key is found; otherwise false.
Implements
IDictionaryTKey, TValueTryGetValue(TKey, TValue)IReadOnlyDictionaryTKey, TValueTryGetValue(TKey, TValue)
Exceptions| Exception | Condition |
|---|---|
| ArgumentNullException | When key is null. |
RemarksThis is a O(log n) operation.
Examples
The below snippet is part of a larger example of the
RankedDictionaryTKey, TValueclass.
C#
// When a program often has to try keys that are usually not in the // dictionary, TryGetValue can be a more efficient way to get values. if (cc.TryGetValue ("ZZ", out string value)) Console.WriteLine ($"For key = 'ZZ', value = {value}."); else Console.WriteLine ("Key = 'ZZ' is not found.");
See Also