WindowsIdentity Constructor (IntPtr)
Initializes a new instance of the WindowsIdentity class for the user represented by the specified Windows account token.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- userToken
- Type: System::IntPtr
The account token for the user on whose behalf the code is running.
| Exception | Condition |
|---|---|
| ArgumentException | userToken is 0. -or- userToken is duplicated and invalid for impersonation. |
| SecurityException | The caller does not have the correct permissions. -or- A Win32 error occurred. |
The following table shows initial property values for an instance of WindowsIdentity.
Property | Initial value |
|---|---|
Negotiate | |
Normal | |
false |
Note |
|---|
You can retrieve the token represented by userToken by calling unmanaged code such as the Win32 API LogonUser function. Always release userToken by calling the Win32 API CloseHandle function. For more information on calling unmanaged code, see Consuming Unmanaged DLL Functions. |
- SecurityPermission
for the ability to manipulate the principal object. Associated enumeration: SecurityPermissionFlag::ControlPrincipal.
- SecurityPermission
for the ability to access unmanaged code. Associated enumeration: SecurityPermissionFlag::UnmanagedCode.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Note