ExpandoObject.IDictionary(Of String, Object).ContainsKey Method

Determines whether the dictionary contains the specified key.

Namespace:  System.Dynamic
Assembly:  System.Core (in System.Core.dll)

Private Function ContainsKey ( _
	key As String _
) As Boolean Implements IDictionary(Of String, Object).ContainsKey


Type: System.String

The key to locate in the dictionary.

Return Value

Type: System.Boolean
true if the dictionary contains an element that has the specified key; otherwise, false.


IDictionary(Of TKey, TValue).ContainsKey(TKey)

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library