Index   Commented   Search   About

Overview
Group
Quick Info

Windows NT
Yes
Win95
No
Win32s
No
Import Library
kernel32.lib
Header File
winbase.h
Unicode
No
Platform Notes
None

ImpersonateLoggedOnUser

The ImpersonateLoggedOnUser function lets the calling thread impersonate a user. The user is represented by a token handle.

BOOL ImpersonateLoggedOnUser(

HANDLE hToken
// handle to a token that represents a logged-on user
);

Parameters

hToken

Handle to a primary or impersonation access token that represents a logged-on user. This can be a token handle returned by a call to LogonUser, DuplicateToken, DuplicateTokenEx, OpenProcessToken, or OpenThreadToken functions. If hToken is a primary token, it must have TOKEN_QUERY and TOKEN_DUPLICATE access. If hToken is an impersonation token, it must have TOKEN_QUERY access.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Remarks

The impersonation lasts until the thread exits or until it calls RevertToSelf.

The calling thread does not need to have any particular privileges to call ImpersonateLoggedOnUser.

See Also

CreateProcessAsUser
, DuplicateToken, DuplicateTokenEx, LogonUser, OpenProcessToken, or OpenThreadToken, RevertToSelf

Related Links

Software for Delphi and C++ Builder developers
Software for Visual Studio .NET developers
Software for Visual Basic 6 developers
Delphi Tips&Tricks
MegaDetailed.NET
TMS Scripter Studio Pro components for Delphi/C++Builder

More Online Helps

Win32 Multimedia Programmer's Reference (mmedia.hlp)
OLE Programmer's Reference (ole.hlp)
Microsoft Windows Pen API Programmer's Reference (penapi.hlp)
Microsoft Windows Sockets 2 Reference (sock2.hlp)
Microsoft Windows Telephony API (TAPI) Programmer's Reference (tapi.hlp)
Unix Manual Pages

Free Tech Secrets ;) Copyright © 2008 Free Tect Secrets ;) greatis just4fun network just4fun