Decimals comma dot
lazarus / 9-Editor

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LazaruX · 2009-03-05 10:55

Hi,
In most of the countries to define a decimal we use a dot,
   one thousend Euro is then E 1.000,00

In the United States to define a decimal they use a comma,
   one thousend Euro is then E 1,000.00

So when making a program and converting a float to a string, depending
on the language settings we can have a problem.
Is there (on Windows) a way to find out in the registry what the
default value for the system is, a comma (,) or a dot (.) ?
I know the value for the current user is in:
HKEY_CURRENT_USER > Control Panel > International
and the sDecimal key defines the symbol.

But this is only for the current user, not for the system.

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Vincent Snijders · 2009-03-05 13:06

If you use StrToFloat, international settings are used. See also the
sysutils unit documentation for these constants.

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LazaruX · 2009-03-05 13:15

If I use StrToFloat, the international settings of the current user
will be used, but if I want the settings of the system
(Administrator)?

Does it depend on the Windows Language? (German Windows, American
Windows,...) or what?

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arnoldb · 2009-03-05 13:33

It will most likely be the settings under:
HKEY_USERS\.DEFAULT\Control Panel\International
(That should be used by "system" accounts.

If the Administrator user logged in and changed, you will have to try
to pick it up for the administrator's
identity / Main Identity in HKEY_USERS\ xxxxxxx \Control
Panel\International for the Identity used by the administrator...

HTH