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HttpHeaders.Contains Method

.NET Framework 4.5

Returns if a specific header exists in the HttpHeaders collection.

Namespace:  System.Net.Http.Headers
Assembly:  System.Net.Http (in System.Net.Http.dll)

public bool Contains(
	string name
)

Parameters

name
Type: System.String

The specific header.

Return Value

Type: System.Boolean
Returns Boolean.
true is the specified header exists in the collection; otherwise false.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Windows Phone 8.1, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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