CollectionExtensionsGetValueOrDefaultTKey, TValue Method (IDictionaryTKey, TValue, TKey)

Gets the value from the dictionary, or the default value of TValue if no item with the specified key exists.

Namespace: TomsToolbox.Essentials
Assembly: TomsToolbox.Essentials (in TomsToolbox.Essentials.dll)

Syntax

public static TValue GetValueOrDefault<TKey, TValue>(
	this IDictionary<TKey, TValue> dictionary,
	TKey key
)

<ExtensionAttribute>
Public Shared Function GetValueOrDefault(Of TKey, TValue) ( 
	dictionary As IDictionary(Of TKey, TValue),
	key As TKey
) As TValue

Parameters

dictionary: Type: System.Collections.GenericIDictionaryTKey, TValue
The dictionary.
key: Type: TKey
The key to lookup.

Type Parameters

TKey: The type of the key.
TValue: The type of the value.

Return Value

Type: TValue
The value from the dictionary, or the default value of TValue if no item with the specified key exists.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IDictionaryTKey, TValue. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Reference

CollectionExtensions Class

GetValueOrDefault Overload

TomsToolbox.Essentials Namespace