OrderedDictionary.Count Property


Gets the number of key/values pairs contained in the OrderedDictionary collection.

Namespace:   System.Collections.Specialized
Assembly:  System (in System.dll)

public int Count { get; }

Property Value

Type: System.Int32

The number of key/value pairs contained in the OrderedDictionary collection.

The following code example demonstrates the modification of an OrderedDictionary collection. In this example, the Count property is used to remove the last item in the OrderedDictionary. This code is part of a larger code example that can be viewed at OrderedDictionary.

// Modifying the OrderedDictionary
if (!myOrderedDictionary.IsReadOnly)
    // Insert a new key to the beginning of the OrderedDictionary
    myOrderedDictionary.Insert(0, "insertedKey1", "insertedValue1");

    // Modify the value of the entry with the key "testKey2"
    myOrderedDictionary["testKey2"] = "modifiedValue";

    // Remove the last entry from the OrderedDictionary: "testKey3"
    myOrderedDictionary.RemoveAt(myOrderedDictionary.Count - 1);

    // Remove the "keyToDelete" entry, if it exists
    if (myOrderedDictionary.Contains("keyToDelete"))

Universal Windows Platform
Available since 10
.NET Framework
Available since 2.0
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