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HttpResponseHeaderCollection.ContainsKey method

Returns a value that indicates whether a specified key exists in the HttpResponseHeaderCollection.

Syntax


public bool ContainsKey(
  string key
)

Public Function ContainsKey(
  key As String 
) As Boolean

Parameters

key

Type: System.String

The key to check for in the HttpResponseHeaderCollection.

Return value

Type: System.Boolean

true if an item with that key exists in the HttpResponseHeaderCollection; otherwise, false.

Requirements (Windows 10 device family)

Device family

API contract

Namespace

Windows.Web.Http.Headers

Requirements (Windows 8.x and Windows Phone 8.x)

Minimum supported client

Windows 8.1

Minimum supported server

Windows Server 2012 R2

Minimum supported phone

Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]

Namespace

Windows.Web.Http.Headers

See also

HttpResponseHeaderCollection