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Asked: 2026-06-07T18:45:38+00:00

I am writing some properties in a ini file using WritePrivateProfileString function and everything

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I am writing some properties in a ini file using WritePrivateProfileString function and everything works fine but when I add text with multiple lines, there is a problem.

Here is the code and output.

WritePrivateProfileString(_T("General"), _T("Name"), OLE2CT(text), FilePath);

Output:

[General]
Name=mytext

.

text = address\nstreet\nhouse
WritePrivateProfileString(_T("General"), _T("Address"), OLE2CT(text), FilePath);

Output:

[General]
Name=mytext
Address=address
street
house

But when after adding a multiple line item, i add another item, instead of adding this to end it adds new line just after Address line

text = city
WritePrivateProfileString(_T("General"), _T("City"), OLE2CT(text), FilePath);

Output:

[General]
Name=mytext
Address=address
City=city
street
house

but the output should be 

[General]
Name=mytext
Address=address
street
house
City=city

What is problem with my code?

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1 Answer

  1. Editorial Team

    I strongly recommend you read up on your problems on Michael Kaplan’s blog.

    If you absolutely have to use INI files, don’t use the deprecated Win32 API functions you are using right now. They are buggy and bugs sure won’t get fixed anymore as they are deprecated by now.

    Instead use SimpleIni a very decent cross-platform implementation of an INI reader/writer for C++.

    Microsoft (as a whole) seems to be unsure whether they prefer registry or other mechanisms for storing configuration data. At some point it was INI files, then it was the registry (to me a superior mechanism) and then it seemed to shift towards XML and other file-based storage mechanisms. It’s certainly your use-case that will define what you need, but consider all the words of caution about using these deprecated functions and look at least for an alternative mechanism of working with INI file if you have to.

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