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MSISDK15.msi
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Remove.cpp
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C/C++ Source or Header
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2000-10-05
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5KB
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140 lines
#if 0 // makefile definitions
DESCRIPTION = RemoveUserAccount from Local Machine
MODULENAME = remove
FILEVERSION = Msi
ENTRY = RemoveUserAccount
UNICODE=1
LINKLIBS = netapi32.lib
!include "..\TOOLS\MsiTool.mak"
!if 0 #nmake skips the rest of this file
#endif // end of makefile definitions
// Required headers
#define WINDOWS_LEAN_AND_MEAN // faster compile
#include <windows.h>
#ifndef RC_INVOKED // start of source code
#include "msiquery.h"
#include "msidefs.h"
#include <windows.h>
#include <basetsd.h>
#include <lm.h>
#define UNICODE 1
//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 2000
//
// File: remove.cpp
//
// Notes: DLL custom action, must be used in conjunction with the DLL
// custom actions included in process.cpp and create.cpp
//--------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------
//
// BUILD Instructions
//
// notes:
// - SDK represents the full path to the install location of the
// Windows Installer SDK
//
// Using NMake:
// %vcbin%\nmake -f remove.cpp include="%include;SDK\Include" lib="%lib%;SDK\Lib"
//
// Using MsDev:
// 1. Create a new Win32 DLL project
// 2. Add remove.cpp to the project
// 3. Add SDK\Include and SDK\Lib directories on the Tools\Options Directories tab
// 4. Add msi.lib and netapi32.lib to the library list in the Project Settings dialog
// (in addition to the standard libs included by MsDev)
// 5. Add /DUNICODE to the project options in the Project Settings dialog
//
//------------------------------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////////
// RemoveUserAccount
//
// Attempts to remove a user account on the local machine according
// to the "instructions" provided in the CustomActionData property
//
// As a deferred custom action, you do not have access to the database.
// The only source of infromation comes from a property that another
// custom action can set to provide the information you need. This
// property is written into the script
//
UINT __stdcall RemoveUserAccount(MSIHANDLE hInstall)
{
// determine mode in which we are called
BOOL bRollback = MsiGetMode(hInstall, MSIRUNMODE_ROLLBACK); // true for rollback, else regular deferred version (for uninstall)
const int iRemoveError = 25003;
const int iRemoveWarning = 25004;
// Grab the CustomActionData property
WCHAR* wszCAData = 0;
DWORD cchCAData = 0;
::MsiGetPropertyW(hInstall, IPROPNAME_CUSTOMACTIONDATA, L"", &cchCAData);
wszCAData = new WCHAR[++cchCAData];
UINT uiStat = ::MsiGetPropertyW(hInstall, IPROPNAME_CUSTOMACTIONDATA, wszCAData, &cchCAData);
if (ERROR_SUCCESS != uiStat)
{
if (wszCAData)
delete [] wszCAData;
return ERROR_INSTALL_FAILURE; // error -- should never happen
}
// send ActionData message (template in ActionText table)
PMSIHANDLE hRec = ::MsiCreateRecord(1);
::MsiRecordSetStringW(hRec, 1, wszCAData);
::MsiProcessMessage(hInstall, INSTALLMESSAGE_ACTIONDATA, hRec);
//
// Call the NetUserDel function,
//
NET_API_STATUS nStatus = NetUserDel(NULL /*local machine*/, wszCAData /*user name*/);
if (NERR_Success != nStatus)
{
PMSIHANDLE hRecErr = ::MsiCreateRecord(3);
::MsiRecordSetStringW(hRecErr, 2, wszCAData);
if (wszCAData)
delete [] wszCAData;
// NERR_UserNotFound is only an error if we are not in Rollback mode
// In rollback mode, NERR_UserNotFound means cancel button depressed in middle of deferred CA trying to create this account
if (!bRollback && NERR_UserNotFound == nStatus)
{
::MsiRecordSetInteger(hRecErr, 1, iRemoveWarning);
// just pop up an OK button
// OPTIONALLY, could specify multiple buttons and cancel
// install based on user selection by handling the return value
// from MsiProcessMessage
::MsiProcessMessage(hInstall, INSTALLMESSAGE(INSTALLMESSAGE_WARNING|MB_ICONWARNING|MB_OK), hRecErr);
return ERROR_SUCCESS; // ignorable error
}
else
{
::MsiRecordSetInteger(hRecErr, 1, iRemoveError);
::MsiRecordSetInteger(hRecErr, 3, nStatus);
::MsiProcessMessage(hInstall, INSTALLMESSAGE_ERROR, hRecErr);
return ERROR_INSTALL_FAILURE; // error
}
}
if (wszCAData)
delete [] wszCAData;
return ERROR_SUCCESS;
}
#else // RC_INVOKED, end of source code, start of resources
// resource definition go here
#endif // RC_INVOKED
#if 0
!endif // makefile terminator
#endif