ExpandoObject.IDictionary<String, Object>.ContainsKey Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Determines whether the dictionary contains the specified key.
Namespace: System.Dynamic
Assembly: System.Core (in System.Core.dll)
Syntax
'Declaration
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
Version Information
Silverlight
Supported in: 5, 4
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.