ExpandoObject.IDictionary<String, Object>.ContainsKey Method
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
)
private:
virtual bool ContainsKey(
String^ key
) sealed = IDictionary<String^, Object^>::ContainsKey
private abstract ContainsKey :
key:string -> bool
private override ContainsKey :
key:string -> bool
JScript does not support explicit interface implementations.
Parameters
key
Type: System.StringThe 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<TKey, TValue>.ContainsKey(TKey)
Version Information
.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