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Writing to the registry in Windows 95

Posted on 2001-07-04
Medium Priority
Last Modified: 2010-04-06
I have written an application that uses the windows registry to store an integer value, and when required, read and modify that integer value.

 The Following code shows this, Note that "<Registry Path>" represents the path to the applications Registry Key.

      Reg := TRegistry.Create;
      with Reg do
              Rootkey := HKEY_LOCAL_MACHINE;
              OpenKey(<Registry Path>,True);
              if not ValueExists('IntegerValue') then
                  BookingStatsReportCount := 0;
                  BookingStatsReportCount := ReadInteger('98');

This code works fine for Windows 98, Me, and NT4, but when the application is installed and run in windows 95 I get a runtime error like:

"Error:      Failed to set data 'IntegerValue'   Data was not written"

Is there something with the registry in Windows 95 that is different to later versions?

 If so, How can I get around this problem other than recommending that the application not be run under windows 95?
Question by:geofizzydrink
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LVL 13

Expert Comment

ID: 6251674
What does ReadInteger('98') do? Does the key '98' exist?

Accepted Solution

jsweby earned 600 total points
ID: 6251695
I have often come across the error "Failed to set data for <KEY>" & it has always, without fail, been the following problem (which doesn't sound applicable to you but I thought I'd share it with you in case it helps):

This always comes up for us on NT workstations where the administrator has not allowed the user to modify the registry; each individual key can be set on NT Server to be modified or not by particular users. If your 95 machine which has the problem is part of an NT network, make sure the users have registry permissions, at the very least for the key(s) you want to change. The program on NT Server is called regsvr32.

LVL 11

Expert Comment

by:Goodangel Matope
ID: 6252121
You can try to use TRegIniFile instead of TRegistry, It was meant for use with Windows 3.x but it works with Win95. That was what I used to use for Win95 applications.

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