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Replace System Files After Rebooting
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| Submitted on: |
9/24/1998 |
| By: |
Luis Cantero
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| Level: |
Intermediate |
| User Rating: |
By 1 Users |
| Compatibility: |
VB 4.0 (32-bit), VB 5.0, VB 6.0 |
| Views: |
27665 |
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(About the author) |
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When you are creating a sort of Setup program, etc. sometimes you want to replace some system files or delete some other files, however if they are in use by Windows at the time, you can't. You need to update the files after rebooting, you know that message that says "Please wait while windows updates your configuration files", the utility that does this is called Wininit, and here's how to use it! I've included a small example that should work under Win9x/ME/NT/2K/XP.
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Other 17 submission(s) by this author
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Other User Comments
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 5/12/1999 5:12:00 AM: Rei
WritePrivateProfileString should not be used to add a "NUL" entry into the wininit.ini file, because it may overwrite an existing one written by other setup application. We must parse the file w/o using this API.
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6/15/1999 1:52:00 AM: Bodya
This works under Win 95 only
Under WinNT one should use
MoveFileEx(szDstFile, NULL, MOVEFILE_DELAY_UNTIL_REBOOT);
MoveFileEx(szSrcFile, szDstFile, MOVEFILE_DELAY_UNTIL_REBOOT);
(see help on MoveFileEx in MSDN)
So, to make this programm work correctly you should check the OS version and then use either MoveFileEx or WritePrivateProfileString correspondently.
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8/2/2002 6:28:33 PM: Luis Cantero
Public Declare Function GetShortPathName Lib "kernel32" Alias "GetShortPathNameA" (ByVal lpszLongPath As String, ByVal lpszShortPath As String, ByVal lBuffer As Long) As Long
Public Declare Function MoveFileEx Lib "kernel32" Alias "MoveFileExA" (ByVal lpExistingFileName As String, ByVal lpNewFileName As String, ByVal dwFlags As Long) As Long
Public Const MOVEFILE_REPLACE_EXISTING = &H1
Public Const MOVEFILE_COPY_ALLOWED = &H2
Public Const MOVEFILE_DELAY_UNTIL_REBOOT = &H4
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