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
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<TKey, TValue>.ContainsKey(TKey)
Version Information
.NET Framework
Supported in: 4
.NET Framework Client Profile
Supported in: 4
Platforms
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.