CollectionExtensionsGetOrDefaultTKey, TValue(IDictionaryTKey, TValue, TKey) Method

Attempts to get the value for the given key and returns the default value instead if the key does not exist in the IDictionaryTKey, TValue.

Namespace: GSF.Collections
Assembly: GSF.Core (in GSF.Core.dll) Version: 2.4.207-beta+1781b796b2aa7a54013a031eb432fe4ccee31867

Syntax

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

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

public:
[ExtensionAttribute]
generic<typename TKey, typename TValue>
static TValue GetOrDefault(
	IDictionary<TKey, TValue>^ dictionary, 
	TKey key
)

[<ExtensionAttribute>]
static member GetOrDefault : 
        dictionary : IDictionary<'TKey, 'TValue> * 
        key : 'TKey -> 'TValue

JavaScript does not support generic types or methods.

dictionary IDictionaryTKey, TValue: The dictionary to check for the given key.
key TKey: The key to be checked for the existence of a value.

TValue
The value of the key in the dictionary or the default value if no such value exists.

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).