CollectionExtensionsAddOrUpdateTKey, TValue(IDictionaryTKey, TValue, TKey, TValue) Method

Adds a key/value pair to the IDictionaryTKey, TValue if the key does not already exist, or updates a key/value pair in the IDictionaryTKey, TValue if the key already exists.

Definition

Namespace: Gemstone.Collections.CollectionExtensions
Assembly: Gemstone.Common (in Gemstone.Common.dll) Version: 1.0.128 -- Release Build+d050cfc5563c89a1188cc3c6b2d417530856f490
public static TValue AddOrUpdate<TKey, TValue>(
	this IDictionary<TKey, TValue> dictionary,
	TKey key,
	TValue value
)

Parameters

dictionary  IDictionaryTKey, TValue
The dictionary to add the key/value pair to if the key does not already exist.
key  TKey
The key to be added or updated.
value  TValue
The value to be assigned to the key.

Type Parameters

TKey
The type of the keys in the dictionary.
TValue
The type of the values in the dictionary.

Return Value

TValue
The value of the key in the dictionary after updating.

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).

See Also