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ClaimsPrincipal Constructor (IPrincipal)

.NET Framework 4.5

Initializes a new instance of the ClaimsPrincipal class from the specified principal.

Namespace:  System.Security.Claims
Assembly:  mscorlib (in mscorlib.dll)

public ClaimsPrincipal(
	IPrincipal principal


Type: System.Security.Principal.IPrincipal

The principal from which to initialize the new claims principal.


principal is null.

If the specified principal is assignable from ClaimsPrincipal, all of its identities are added to the Identities collection. If the specified principal is not assignable from ClaimsPrincipal, a new ClaimsIdentity is created from the IIdentity in its IPrincipal.Identity property and added to the Identities collection.

.NET Framework

Supported in: 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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