HybridDictionary.Contains Method (Object)

 
System_CAPS_noteNote

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Determines whether the HybridDictionary contains a specific key.

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

abstract Contains : 
        key:Object -> bool
override Contains : 
        key:Object -> bool

Parameters

key
Type: System.Object

The key to locate in the HybridDictionary.

Return Value

Type: System.Boolean

true if the HybridDictionary contains an entry with the specified key; otherwise, false.

Exception Condition
ArgumentNullException

key is null.

This method is an O(1) operation.

Starting with the .NET Framework 2.0, this method uses the collection’s objects’ Equals and CompareTo methods on key to determine whether item exists. In the earlier versions of the .NET Framework, this determination was made by using the Equals and CompareTo methods of the item parameter on the objects in the collection.

The following code example searches for an element in a HybridDictionary.

No code example is currently available or this language may not be supported.

Universal Windows Platform
Available since 10
.NET Framework
Available since 1.1
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