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SecurityTokenHandlerCollection.CanReadToken Method (String)

.NET Framework 4.5

Returns a value that indicates whether the specified string representation of a token can be read by one of the handlers in this collection.

Namespace:  System.IdentityModel.Tokens
Assembly:  System.IdentityModel (in System.IdentityModel.dll)

public bool CanReadToken(
	string tokenString


Type: System.String

The token represented as a string.

Return Value

Type: System.Boolean
true if the collection contains a token handler that can read the specified token; otherwise false.


tokenString is null or an empty string.

The method invokes the SecurityTokenHandler.CanReadToken(String) method on the token handlers (SecurityTokenHandler) in the collection to determine whether the token can be read.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5

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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