Here is an attempt to approximate the ITaskbarList3 interface, which was quite a headache for me, since all C++ is new to me https://github.com/MicrosoftDocs/win32/blob/docs/desktop-src/shell/taskbar-extensions.md https://learn.microsoft.com/en-us/windows/win32/api/shobjidl_core/nn-shobjidl_core-itaskbarlist3 The code may have omissions or excesses, as for the writing where I was stuck and did not understand asking the AI So if someone more experienced has any tips, I'd be happy to