I am using Qt Creator. When I compile an application, are the .ui files turned into compiled code, or are they read and processed at runtime. I ask simply because I am looking at UI performance and if it is loaded at runtime I would imagine there would be some penalty to that?
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If you are using QtCreator and not changing anything to your project, the ui file will be used to generate a header file containing the code creating the UI.
For example if your ui file is
myform.ui, the header file generated (with theuictool) will beui_myform.h.If you open it, you’ll see the code creating your ui.