Search
Module:
Directory

   Desktop Functions:

   Smart Device Functions:


Show Recent Changes
Subscribe (RSS)
Misc. Pages
Comments
FAQ
Helpful Tools
Playground
Suggested Reading
Website TODO List
Support Forum
Download Visual Studio Add-In

Terms of Use
Privacy Policy
lsafreememory (advapi32)
 
.
Summary
The LsaFreeMemory function frees memory allocated for an output buffer by an LSA function call.

C# Signature:

[System.Runtime.InteropServices.DllImport("advapi32.dll", SetLastError=true)]
private static extern uint LsaFreeMemory(System.IntPtr pBuffer);

VB Signature:

    Private Declare Function LsaFreeMemory Lib "advapi32.dll" ( _
    ByVal Buffer As IntPtr _
    ) As Integer

User-Defined Types:

None.

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

    'NTSTATUS LsaFreeMemory(
    '  PVOID Buffer
    ');

Tips & Tricks:

Please add some!

Sample Code:

// You should already have the HPolicy and SID ready
IntPtr rightsPtr;
uint countOfRights;
LsaEnumerateAccountRights(HPolicy, SID, out rightsPtr, out countOfRights);
try
{
    IntPtr ptr = rightsPtr;
    LSA_UNICODE_STRING userRight;
    for (int i = 0; i < countOfRights; i++)
    {
       userRight = (LSA_UNICODE_STRING)Marshal.PtrToStructure(ptr, typeof(LSA_UNICODE_STRING));
       String userRightStr = Marshal.PtrToStringAuto(userRight.Buffer);
       Console.WriteLine("Another Privilege found: " + userRightStr);
       ptr = (IntPtr)((Int32)ptr + Marshal.SizeOf(userRight));
    }
}
finally
{
    LsaFreeMemory(rightsPtr);
}

Documentation

Please edit this page!

Do you have...

  • helpful tips or sample code to share for using this API in managed code?
  • corrections to the existing content?
  • variations of the signature you want to share?
  • additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).

 
Access PInvoke.net directly from VS:
Terms of Use
Edit This Page
Find References
Show Printable Version
Revisions