OrderedDictionary.Item Property (Object)
Gets or sets the value with the specified key.
Assembly: System (in System.dll)
abstract Item : key:Object -> Object with get, set override Item : key:Object -> Object with get, set
The key of the value to get or set.
Property ValueType: System.Object
The value associated with the specified key. If the specified key is not found, attempting to get it returns null, and attempting to set it creates a new element using the specified key.
This property allows you to access a specific element in the collection by using the following syntax: myCollection[key].
You can also use the OrderedDictionary collection (for example, myCollection["myNonexistentKey"] = myValue). However, if the specified key already exists in the OrderedDictionary, setting the property overwrites the old value. In contrast, the Add method does not modify existing elements.property to add new elements by setting the value of a key that does not exist in the
A key cannot be null, but a value can be. To distinguish between null that is returned because the specified key is not found and null that is returned because the value of the specified key is null, use the Contains method to determine if the key exists in the OrderedDictionary.
The following code example demonstrates the modification of an OrderedDictionary collection. In this example, the property is used to modify the dictionary entry with the key "testKey2". This code is part of a larger code example that can be viewed at OrderedDictionary.
Available since 10
Available since 2.0