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Count Property

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.

Implements

ICollection.Count

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"))
    {
        myOrderedDictionary.Remove("keyToDelete");
    }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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