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netapibufferfree (netapi32)
 
.
Summary
Free's the memory allocates by network management functions.

C# Signature:

[DllImport("Netapi32.dll", SetLastError=true)]
static extern int NetApiBufferFree(IntPtr Buffer);

VB .NET Signature:

Declare Unicode Function NetApiBufferFree Lib "netapi32.dll" _
    (ByVal buffer As IntPtr) As Long

User-Defined Types:

None.

Notes:

[2008-06-19, Christian Stoeckel]

Changed VB.NET Signature from "ByRef buffer" to "ByVal buffer". With ByRef you get a significant memory leak, with ByVal everything is fine.

[2004-06-11, Ray Ackley]

Added VB definition & sample.

[2004-05-20, Nicholas Paldino]

There is no indication that the NetApiBufferFree function sets the last error code, so SetLastError attribute should not be set (this removes extra calls in the interop layer to store the last error code). Also, the CharSet property on the attribute need not be applied either, as there is only one version of this function.

Tips & Tricks:

referenced by NetWkstaGetInfo

Sample Code:

VB.NET:
' Edited down code to only show usage of NetApiBufferFree()
Dim BufPtr As IntPtr        'in
retval = NetShareEnum(SvrNameBldr, 2, BufPtr, MAX_PREFERRED_LENGTH, dwEntriesread, dwTotalentries, dwResumehandle)
Call NetApiBufferFree(BufPtr)

Alternative Managed API:

TODO

Documentation

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