Adding a new class to a project in a different file

[nimble tree]

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@autumn night

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[quasi apex]

usually the header should end with .h or .hpp and the source file should end with .cpp

this might be relevant for some software, actually, so it's best to follow this practice

also I'm not sure who recommended Code::Blocks to you, but there are plenty of alternatives which work better, such as Visual Studio, CLion, Visual Studio Code, QtCreator etc.

in the long run, all of these IDEs/Code Editors have a much better tools, built-in or via extensions

[autumn night]

Yes It was the same for the past 30+ projects I made in codeblocks
But it suddenly stopped working , thats why Im asking

it was .h and .cpp

[nimble tree]

@autumn night

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[autumn night]

Sorry ;-;