ExpandoObject.IDictionary<(Of <(String, Object>)>).ContainsKey Method
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Determines whether the dictionary contains the specified key.
Namespace: System.Dynamic
Assembly: System.Core (in System.Core.dll)
Syntax
Private Function ContainsKey ( _
key As String _
) As Boolean Implements IDictionary(Of String, Object).ContainsKey
bool IDictionary<string, Object>.ContainsKey(
string key
)
Parameters
- key
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.
Implements
IDictionary<(Of <(TKey, TValue>)>)..::.ContainsKey(TKey)
Version Information
Windows Phone OS
Supported in: 8.1, 8.0