[turner] 23381: Implement the reading and writing of pagefile settings. We should not longer have to edit it by hand in regedit. This works 100% flawlessly in win2k3 but has not been tested in ros yet. Patch by Christian Wallukat (cwallukat@gmx.at) and myself.
30 Jul
2006
30 Jul
'06
11:14 p.m.
Author: turner
Date: Mon Jul 31 03:14:02 2006
New Revision: 23381
URL: http://svn.reactos.org/svn/reactos?rev=23381&view=rev
Log:
Implement the reading and writing of pagefile settings. We should not longer have to edit
it by hand in regedit. This works 100% flawlessly in win2k3 but has not been tested in
ros yet. Patch by Christian Wallukat (cwallukat(a)gmx.at) and myself.
Modified:
trunk/reactos/dll/cpl/sysdm/sysdm.rbuild
trunk/reactos/dll/cpl/sysdm/virtmem.c
Modified: trunk/reactos/dll/cpl/sysdm/sysdm.rbuild
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/cpl/sysdm/sysdm.rbuild…
==============================================================================
--- trunk/reactos/dll/cpl/sysdm/sysdm.rbuild (original)
+++ trunk/reactos/dll/cpl/sysdm/sysdm.rbuild Mon Jul 31 03:14:02 2006
@@ -11,6 +11,7 @@
<library>user32</library>
<library>comctl32</library>
<library>netapi32</library>
+ <library>ntdll</library>
<file>advanced.c</file>
<file>computer.c</file>
<file>environment.c</file>
Modified: trunk/reactos/dll/cpl/sysdm/virtmem.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/cpl/sysdm/virtmem.c?re…
==============================================================================
--- trunk/reactos/dll/cpl/sysdm/virtmem.c (original)
+++ trunk/reactos/dll/cpl/sysdm/virtmem.c Mon Jul 31 03:14:02 2006
@@ -1,39 +1,735 @@
+/*
+* ReactOS
+* Copyright (C) 2004 ReactOS Team
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+/* $Id$
+*
+* PROJECT: ReactOS System Control Panel
+* FILE: lib/cpl/sysdm/virtmem.c
+* PURPOSE: pagefile settings
+* PROGRAMMER: Christian Wallukat cwallukat(at)gmx(dot)at
+*/
+
#include <windows.h>
#include <commctrl.h>
#include <stdlib.h>
#include <tchar.h>
-
#include "resource.h"
#include "sysdm.h"
-
-
-/* Environment dialog procedure */
-INT_PTR CALLBACK
-VirtMemDlgProc(HWND hwndDlg,
- UINT uMsg,
- WPARAM wParam,
- LPARAM lParam)
+#include <stdio.h>
+#include <winternl.h>
+
+
+
+//
+// An array of these structs will interally manage system page files
+//
+typedef struct _sPagefiles
{
- UNREFERENCED_PARAMETER(lParam);
- switch (uMsg)
- {
+ WCHAR szDrive[10];
+ INT nMinValue;
+ INT nMaxValue;
+ INT nUsed;
+} sPageFiles;
+
+
+
+//
+// At most there can be 32 drives, so only 32 page files
+//
+sPageFiles g_sPagefile[32];
+//
+// This is the number of drives that could have page files
+//
+INT g_nCount;
+//
+// Will save the user set action signal saving to the registry on exit
+//
+BOOL g_bSave;
+
+
+//
+// ReadRegSettings reads the page file settings from the regisrty
+//
+VOID ReadRegSettings(HWND hwndDlg);
+//
+// ParseMemSettings takes the regisrty string and create the internal page file array
+//
+VOID ParseMemSettings(TCHAR *szSettings, HWND hwndDlg);
+//
+// SaveSettings writes the paging file array to the registry
+//
+VOID SaveSettings(HWND hwndDlg);
+
+//
+// Callback function for messages for the windows
+//
+INT_PTR
+CALLBACK
+VirtMemDlgProc(HWND hwndDlg,
+ UINT uMsg,
+ WPARAM wParam,
+ LPARAM lParam)
+{
+ SYSTEM_PROCESS_INFORMATION siSysPInfo;
+ TCHAR szTemp[255];
+ INT nIndex = 0;
+
+ //
+ // We dont need to look at this part of the message
+ //
+ UNREFERENCED_PARAMETER(lParam);
+
+ switch (uMsg)
+ {
case WM_INITDIALOG:
- break;
+ {
+ //
+ // We dont save the changes until set is clicked
+ //
+ g_bSave = FALSE;
+ //
+ // We start with no page files
+ //
+ g_nCount = 0;
+ //
+ // Clear out the file pagefile
+ //
+ g_sPagefile[0].nMaxValue = 0;
+ g_sPagefile[0].nMinValue = 0;
+ g_sPagefile[0].nUsed = 0;
+
+ //
+ // Grad the system stats to get some page file into
+ //
+ NtQuerySystemInformation(SystemProcessInformation, &siSysPInfo,
sizeof(SYSTEM_PROCESS_INFORMATION), NULL);
+
+ //
+ // Convert the pagefile usage to a string
+ //
+ _itow(siSysPInfo.PeakPagefileUsage, szTemp, 10);
+
+ //
+ // Set pagefle useage to its label
+ //
+ SendDlgItemMessage(hwndDlg, IDC_CURRENT, WM_SETTEXT, (WPARAM)0,
(LPARAM)szTemp);
+
+ //
+ // Load the pagefile systems from the reg
+ //
+ ReadRegSettings(hwndDlg);
+ };
+ break;
case WM_COMMAND:
- switch (LOWORD(wParam))
- {
- case IDCANCEL:
- EndDialog(hwndDlg, 0);
- return TRUE;
- }
- break;
+ {
+ switch (LOWORD(wParam))
+ {
+ case IDCANCEL:
+ {
+ //
+ // If the user hits cancel we just close and dont save
+ //
+ EndDialog(hwndDlg, 0);
+ return TRUE;
+ };
+ break;
+
+
+ case IDOK:
+ {
+ //
+ // Check to make sure that the user hit set and we will save the
settings
+ //
+ if(g_bSave == TRUE)
+ {
+ SaveSettings(hwndDlg);
+ };
+
+ //
+ // Close out the window
+ //
+ EndDialog(hwndDlg, 0);
+ };
+ break;
+
+
+ case IDC_PAGEFILELIST:
+ {
+ switch(HIWORD(wParam))
+ {
+ case LBN_SELCHANGE:
+ {
+ //
+ // Get the currently selected page file from the list box
+ //
+ nIndex = (INT)SendDlgItemMessage(hwndDlg, IDC_PAGEFILELIST,
LB_GETCURSEL, (WPARAM)0, (LPARAM)0);
+
+ //
+ // If the index is in our range then process that page file
+ //
+ if(nIndex < g_nCount)
+ {
+ //
+ // Convert the minvalue for the page file
+ //
+ _itow(g_sPagefile[nIndex].nMinValue, szTemp, 10);
+
+ //
+ // Set the min value to its textbox
+ //
+ SendDlgItemMessage(hwndDlg, IDC_INITIALSIZE, WM_SETTEXT,
(WPARAM)0, (LPARAM)szTemp);
+
+ //
+ // Convert the max value of the page file to a string
+ //
+ _itow(g_sPagefile[nIndex].nMaxValue, szTemp, 10);
+
+ //
+ // Set the max value to its textbox
+ //
+ SendDlgItemMessage(hwndDlg, IDC_MAXSIZE, WM_SETTEXT,
(WPARAM)0, (LPARAM)szTemp);
+
+ //
+ // Figure out what type of page file it is
+ //
+ if(g_sPagefile[nIndex].nMinValue == 0 &&
g_sPagefile[nIndex].nMaxValue == 0)
+ {
+ //
+ // There is either no page file or a system managed
page file so we disable custom sizes
+ //
+ EnableWindow(GetDlgItem(hwndDlg, IDC_MAXSIZE),
FALSE);
+ EnableWindow(GetDlgItem(hwndDlg, IDC_INITIALSIZE),
FALSE);
+ //
+ // Check to see if that drive is used for paging
+ //
+ if(g_sPagefile[nIndex].nUsed == 1)
+ {
+ //
+ // This is a system managed page file
+ //
+ SendDlgItemMessage(hwndDlg, IDC_NOPAGEFILE,
BM_SETCHECK, (WPARAM)0, (LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_SYSMANSIZE,
BM_SETCHECK, (WPARAM)1, (LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_CUSTOM,
BM_SETCHECK, (WPARAM)0, (LPARAM)0);
+ }
+ else
+ {
+ //
+ // There is no page file on this drive
+ //
+ SendDlgItemMessage(hwndDlg, IDC_NOPAGEFILE,
BM_SETCHECK, (WPARAM)1, (LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_SYSMANSIZE,
BM_SETCHECK, (WPARAM)0, (LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_CUSTOM,
BM_SETCHECK, (WPARAM)0, (LPARAM)0);
+ }
+ }
+ else
+ {
+ //
+ // THis is a custom sized page file
+ //
+ SendDlgItemMessage(hwndDlg, IDC_NOPAGEFILE,
BM_SETCHECK, (WPARAM)0, (LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_SYSMANSIZE,
BM_SETCHECK, (WPARAM)0, (LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_CUSTOM,
BM_SETCHECK, (WPARAM)1, (LPARAM)0);
+ //
+ // We need to allow the user to change the sizes
+ //
+ EnableWindow(GetDlgItem(hwndDlg, IDC_MAXSIZE),
TRUE);
+ EnableWindow(GetDlgItem(hwndDlg, IDC_INITIALSIZE),
TRUE);
+ }
+ };
+ };
+ break;
+ };
+ };
+ break;
+
+
+ case IDC_NOPAGEFILE:
+ {
+ //
+ // Set the pagefile to no page file
+ //
+ SendDlgItemMessage(hwndDlg, IDC_NOPAGEFILE, BM_SETCHECK, (WPARAM)1,
(LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_SYSMANSIZE, BM_SETCHECK, (WPARAM)0,
(LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_CUSTOM, BM_SETCHECK, (WPARAM)0,
(LPARAM)0);
+
+ //
+ // Disable the page file custom size boxes
+ //
+ EnableWindow(GetDlgItem(hwndDlg, IDC_MAXSIZE), FALSE);
+ EnableWindow(GetDlgItem(hwndDlg, IDC_INITIALSIZE), FALSE);
+ };
+ break;
+
+ case IDC_SYSMANSIZE:
+ {
+ //
+ // User changed this to a system managed page file
+ //
+ SendDlgItemMessage(hwndDlg, IDC_NOPAGEFILE, BM_SETCHECK, (WPARAM)0,
(LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_SYSMANSIZE, BM_SETCHECK, (WPARAM)1,
(LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_CUSTOM, BM_SETCHECK, (WPARAM)0,
(LPARAM)0);
+
+ //
+ // Disable the page file custom size boxes
+ //
+ EnableWindow(GetDlgItem(hwndDlg, IDC_MAXSIZE), FALSE);
+ EnableWindow(GetDlgItem(hwndDlg, IDC_INITIALSIZE), FALSE);
+ };
+ break;
+
+ case IDC_CUSTOM:
+ {
+ //
+ // User changed this to a cutom sized page file
+ //
+ SendDlgItemMessage(hwndDlg, IDC_NOPAGEFILE, BM_SETCHECK, (WPARAM)0,
(LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_SYSMANSIZE, BM_SETCHECK, (WPARAM)0,
(LPARAM)0);
+ SendDlgItemMessage(hwndDlg, IDC_CUSTOM, BM_SETCHECK, (WPARAM)1,
(LPARAM)0);
+
+ //
+ // The user should be able to change the size of these files
+ //
+ EnableWindow(GetDlgItem(hwndDlg, IDC_MAXSIZE), TRUE);
+ EnableWindow(GetDlgItem(hwndDlg, IDC_INITIALSIZE), TRUE);
+ };
+ break;
+
+ case IDC_SET:
+ {
+ //
+ // The user hit set, so we are clear to save the settings when we are
done
+ //
+ g_bSave = TRUE;
+
+ //
+ // Figure out which pagefile we are saving the settings too
+ //
+ nIndex = SendDlgItemMessage(hwndDlg, IDC_PAGEFILELIST, LB_GETCURSEL,
(WPARAM)0, (LPARAM)0);
+
+ //
+ // Make sure it isnt out of our range
+ //
+ if(nIndex < g_nCount)
+ {
+ //
+ // Check to see what the current user input settings are
+ //
+ if(SendDlgItemMessage(hwndDlg, IDC_CUSTOM, BM_GETCHECK,
(WPARAM)0, (LPARAM)0) == BST_CHECKED)
+ {
+ //
+ // If custom is checked we need to get the min size
+ //
+ SendDlgItemMessage(hwndDlg, IDC_INITIALSIZE, WM_GETTEXT,
(WPARAM)254, (LPARAM)szTemp);
+
+ //
+ // Convert the size to an int and save it
+ //
+ g_sPagefile[nIndex].nMinValue = _wtoi(szTemp);
+
+ //
+ // If custom is checked we need to get the max size
+ //
+ SendDlgItemMessage(hwndDlg, IDC_MAXSIZE, WM_GETTEXT,
(WPARAM)254, (LPARAM)szTemp);
+
+ //
+ // If custom is checked we need to get the max size
+ //
+ g_sPagefile[nIndex].nMaxValue = _wtoi(szTemp);
+
+ }
+ else
+ {
+ //
+ // If it is no paging file or system then we set the sizes to
zero
+ //
+ g_sPagefile[nIndex].nMinValue = g_sPagefile[nIndex].nMaxValue
= 0;
+ }
+
+ //
+ // We check to see if this drive is used for a paging file
anymore
+ //
+ g_sPagefile[nIndex].nUsed = (SendDlgItemMessage(hwndDlg,
IDC_NOPAGEFILE, BM_GETCHECK, (WPARAM)0, (LPARAM)0) == BST_UNCHECKED);
+
+
+ //
+ // FIXME: Rebuild the paging list
+ //
+ };
+ };
+ break;
+ };
+ };
+ break;
case WM_NOTIFY:
- break;
- }
-
- return FALSE;
-}
+ {
+ };
+ break;
+ };
+
+ return FALSE;
+};
+
+
+VOID
+ReadRegSettings(HWND hwndDlg)
+{
+ HKEY hk = NULL;
+ DWORD dwType = 0x0;
+ DWORD dwDataSize = 0x0;
+ TCHAR szValue[2048];
+
+
+ //
+ // Open or create this key to read our settings
+ //
+ if(RegCreateKeyEx(HKEY_LOCAL_MACHINE,
+ _T("SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Memory
Management"),
+ 0x0,
+ NULL,
+ REG_OPTION_NON_VOLATILE,
+ KEY_WRITE | KEY_READ,
+ NULL,
+ &hk,
+ NULL) == ERROR_SUCCESS)
+ {
+
+ //
+ // Get the size of the data
+ //
+ if(RegQueryValueEx(hk, _T("PagingFiles"), 0, &dwType, (PBYTE)NULL,
&dwDataSize) == ERROR_SUCCESS)
+ {
+
+ //
+ // Read paging file settings from the regisrty
+ //
+ if(RegQueryValueEx(hk, _T("PagingFiles"), 0, &dwType,
(PBYTE)(LPTSTR)szValue, &dwDataSize) == ERROR_SUCCESS)
+ {
+ //
+ // Parse our settings and set up controls accordingly
+ //
+ ParseMemSettings(szValue, hwndDlg);
+ }
+ else
+ {
+ //
+ // We had a problem :(
+ //
+ OutputDebugString(_T("Err read pagefile\n"));
+ };
+ }
+ else
+ {
+ //
+ // We had a problem :(
+ //
+ OutputDebugString(_T("Err open reg pagefile\n"));
+ };
+
+ //
+ // Close our key
+ //
+ RegCloseKey(hk);
+ };
+};
+
+
+VOID
+ParseMemSettings(TCHAR *szSettings, HWND hwndDlg)
+{
+ TCHAR szVolName[256];
+ TCHAR szDrive[25];
+ TCHAR szDrvLst[256];
+ TCHAR szTemp[256];
+ TCHAR szList[256];
+ INT nLastPos = 0;
+ INT nMinSize = 0;
+ INT nMaxSize = 0;
+ INT nTemp = 0;
+ BOOL bFound = FALSE;
+
+ g_nCount = 0;
+
+ //
+ // Clear out all our buffers
+ //
+ _wcsnset(szTemp, 0, sizeof(szTemp));
+ _wcsnset(szVolName, 0, sizeof(szVolName));
+ _wcsnset(szDrive, 0, sizeof(szDrive));
+ _wcsnset(szList, 0, sizeof(szList));
+
+ //
+ // Get a list of all the drives
+ //
+ GetLogicalDriveStrings(255, szDrvLst);
+
+ //
+ // Print out our drives and our reg string
+ //
+ OutputDebugString(szDrvLst);
+ OutputDebugString((TCHAR*)szSettings);
+
+ //
+ // Loop through all the drives
+ //
+ while(TRUE)
+ {
+ //
+ // Copy over the drive letter
+ //
+ wsprintf(szDrive, _T("%s"), szDrvLst + nLastPos);
+ nLastPos += 4;
+
+ //
+ // We should fixed and removeable drives, no network / cd
+ //
+ if(GetDriveType(szDrive) == DRIVE_FIXED || GetDriveType(szDrive) ==
DRIVE_REMOVABLE)
+ {
+ //
+ // Get some info about out drive
+ //
+ GetVolumeInformation(szDrive, (LPTSTR)szVolName, 255, NULL, NULL, NULL, NULL,
0);
+
+ //
+ // Cut off the Drive letter :
+ //
+ szDrive[2] = 0;
+
+ //
+ // Clear out our vars to prepare to walk page file setting string
+ //
+ nTemp = 0;
+ bFound = FALSE;
+
+ //
+ // Walk through the list of page files
+ //
+ while(TRUE)
+ {
+ //
+ // Copy over a page file setting for a drive skipping already processed
ones
+ //
+ wsprintf(szTemp, _T("%s"), szSettings + nTemp);
+
+
+ //
+ // Check to see if the drive for the page file setting matches our
current drive
+ //
+ if(!_tcsnicmp(szTemp,szDrive,1))
+ {
+ //
+ // Extract the min/max size from the string
+ //
+ nMinSize = (INT)(wcsstr(szTemp + 16, _T(" ")) - (szTemp +
16)) + 1;
+ nMaxSize = _wtoi(szTemp + 16 + nMinSize);
+ nMinSize = _wtoi(szTemp + 16);
+
+ //
+ // Fill in the page file settings in the internal array
+ //
+ g_sPagefile[g_nCount].nMaxValue = nMaxSize;
+ g_sPagefile[g_nCount].nMinValue = nMinSize;
+ g_sPagefile[g_nCount].nUsed = 1;
+ wsprintf(g_sPagefile[g_nCount].szDrive, _T("%s"),
szDrive);
+
+ //
+ // Add up one more page file found
+ //
+ ++g_nCount;
+
+ //
+ // Indicate that we found a pagefile for this drive
+ //
+ bFound = TRUE;
+
+ break;
+ };
+
+ //
+ // Skip passed the just processed drive setting
+ //
+ nTemp += _tcslen(szSettings + nTemp) + 1;
+
+ //
+ // If we are done looking through the page file settings
+ // or found a matching setting then break out
+ //
+ if((_tcslen(szSettings + nTemp) <= 0) || (bFound == TRUE))
+ {
+ break;
+ };
+ };
+
+ //
+ // If we found a page file we make a string for the list box with the size
+ //
+ if(bFound == TRUE)
+ {
+ wsprintf(szList, _T("%s [%s] %i - %i"),
szDrive, szVolName, nMinSize, nMaxSize);
+ }
+ else
+ {
+ //
+ // Otherwise we make a blank pagefile element to show no page file
+ //
+ g_sPagefile[g_nCount].nMaxValue = 0;
+ g_sPagefile[g_nCount].nMinValue = 0;
+ g_sPagefile[g_nCount].nUsed = 0;
+
+ //
+ // Copy over the drive for the blank page file element
+ //
+ wsprintf(g_sPagefile[g_nCount].szDrive, _T("%s"), szDrive);
+
+ //
+ // Add up one for the blank page file
+ //
+ ++g_nCount;
+
+ //
+ // We just show the name of the drive if there is no page file
+ //
+ wsprintf(szList, _T("%s [%s]"), szDrive, szVolName);
+ };
+
+ //
+ // Add our string to the page file list
+ //
+ SendDlgItemMessage(hwndDlg, IDC_PAGEFILELIST, LB_ADDSTRING, (WPARAM)NULL,
(LPARAM)szList);
+
+ //
+ // Print out the newly added string
+ //
+ OutputDebugString(szList);
+ };
+
+ //
+ // Once all drive have finished being processed then we break out
+ //
+ if(_tcslen(szDrvLst + nLastPos) <= 0)
+ {
+ return;
+ };
+ };
+};
+
+
+void SaveSettings(HWND hwndDlg)
+{
+ HKEY hk = NULL;
+ TCHAR szValue[2048];
+ TCHAR szTemp[512];
+ INT nCount = 0;
+ INT nPos = 0;
+
+ //
+ // Clear out our buffers
+ //
+ _wcsnset(szValue, 0, sizeof(szValue));
+ _wcsnset(szTemp, 0, sizeof(szTemp));
+
+ //
+ // Go through all our internal pagefile records
+ //
+ for(nCount = 0; nCount < g_nCount; ++nCount)
+ {
+ //
+ // We only save it to the regisrty if is used
+ //
+ if(g_sPagefile[nCount].nUsed == 1)
+ {
+ //
+ // Clear out our temp buffer
+ //
+ _wcsnset(szTemp, 0, sizeof(szTemp));
+ //
+ // Copy the path and sizes to our temp buffer for the page file
+ //
+ wsprintf(szTemp, _T("%s\\pagefile.sys %i %i"),
g_sPagefile[nCount].szDrive, g_sPagefile[nCount].nMinValue,
g_sPagefile[nCount].nMaxValue);
+
+ //
+ // Add it to our overall regisrty string
+ //
+ _tcscat(szValue+nPos,szTemp);
+
+ //
+ // Record the positioon where the next string will be placed in the buffer
+ //
+ nPos += _tcslen(szTemp) + 1;
+ // Add our null chars in to seperate the page files(REG_MULTI_SZ string)
+ szValue[nPos - 1] = 0;
+ szValue[nPos] = 0;
+ };
+ };
+
+ //
+ // Now that we have page file setting string we open up the key to save it
+ //
+ if(RegCreateKeyEx(HKEY_LOCAL_MACHINE,
+ _T("SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Memory
Management"),
+ 0x0,
+ NULL,
+ REG_OPTION_NON_VOLATILE,
+ KEY_ALL_ACCESS,
+ NULL,
+ &hk,
+ NULL) == ERROR_SUCCESS)
+ {
+ //
+ // We save our page file settings to the PagingFiles value
+ //
+ if (RegSetValueEx(hk,
+ _T("PagingFiles"),
+ 0,
+ REG_MULTI_SZ,
+ (LPBYTE) szValue,
+ (DWORD) (nPos+2)*sizeof(TCHAR)))
+ {
+ //
+ // We had a problem, so print out a message
+ //
+ OutputDebugString(_T("Could not save"));
+
+ //
+ // Get the error for our last operation
+ //
+ _ltow(GetLastError(), szValue, 10);
+
+ //
+ // Print out the error code
+ //
+ OutputDebugString(szValue);
+
+ }
+
+ //
+ // Close up the regisrty
+ //
+ RegCloseKey(hk);
+ }
+ else
+ {
+ //
+ // Print out an error that we couldnt open(create) the registry key.
+ //
+ OutputDebugString(_T("Could not open key"));
+ };
+};
+
/* EOF */
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