In .NET 9.0 (16) new: New quantity class orderhadiktiry

Since .NET Framework 2.0 and .NET Core 1.0 Class System.Collections.Specialized.OrderedDictionary According to the key, to save the name price pairs with automatic pruning and quickly find an element based on the key. Add()-Not objects expect methods.

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.NET 9.0 Microsoft at the end leads a general version OrderedDictionary In the name room System.Collections.Generic One with which you can tighten the type for keys and value.

Shows the use of the following code OrderedDictionary,

public void GenericOrderedDictionary()
 {
  CUI.Demo(nameof(GenericOrderedDictionary));

  OrderedDictionary d = new()
  {
   ("www.IT-Visions.de") = 1996,
   ("www.dotnet7.de") = 2022,
   ("www.dotnet8.de") = 2023,
   ("www.dotnet-lexikon.de") = 2000,
  };

  d.Add("www.dotnet9.de", 2024);
  d.RemoveAt(1);
  d.Insert(0, "www.dotnetframework.de", 2000);

  foreach (KeyValuePair entry in d)
  {
   Console.WriteLine(entry);
  }
 }

Listing Results:

(www.dotnetframework.de, 2000)
(www.IT-Visions.de, 1996)
(www.dotnet8.de, 2023)
(www.dotnet-lexikon.de, 2000)
(www.dotnet9.de, 2024)

(RME)