HeaderDictionary.ContainsKey Method
Determines whether the HeaderDictionary contains a specific key.
Namespace: Microsoft.Owin
Assembly: Microsoft.Owin (in Microsoft.Owin.dll)
Syntax
'Declaration
Public Function ContainsKey ( _
key As String _
) As Boolean
'Usage
Dim instance As HeaderDictionary
Dim key As String
Dim returnValue As Boolean
returnValue = instance.ContainsKey(key)
public bool ContainsKey(
string key
)
public:
virtual bool ContainsKey(
String^ key
) sealed
abstract ContainsKey :
key:string -> bool
override ContainsKey :
key:string -> bool
public final function ContainsKey(
key : String
) : boolean
Parameters
- key
Type: System.String
The key.
Return Value
Type: System.Boolean
true if the HeaderDictionary contains a specific key; otherwise, false.
Implements
IDictionary<TKey, TValue>.ContainsKey(TKey)