Is is possible to have Icons deternined at runtime?

As far as I understand, icons for buttons and toolbars are usually compiled into the program and so cannot be changed once the program is compiled.
Please correct me if I am wrong.
I'm hoping to develop a Qt Application with a toolbar whose buttons have icons that come from a list of bitmaps that are referenced in a text file which is read when the program starts up.
Does this sound reasonable?

Quote:

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Please correct me if I am wrong.

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You are wrong if you mean that the usage of the resources can not be determined in runtime.
If you use a resource file, you can compile your resources in to your exe, but you can choose to use them at any time you like.
You don't have to use a resource file, you can also load resources at runtime from external files.

Thanks,
Good news, so I shall search the documentation for the word resource.