CollectionsExTryAddOrUpdateKey, Value 方法 (DictionaryKey, Value, Key, Value)

public static void TryAddOrUpdate<Key, Value>(
	this Dictionary<Key, Value> dictionary,
	Key key,
	Value value
)

<ExtensionAttribute>
Public Shared Sub TryAddOrUpdate(Of Key, Value) ( 
	dictionary As Dictionary(Of Key, Value),
	key As Key,
	value As Value
)

[<ExtensionAttribute>]
static member TryAddOrUpdate : 
        dictionary : Dictionary<'Key, 'Value> * 
        key : 'Key * 
        value : 'Value -> unit