Can't open cpp files using ue4

I have visual studio 2019 installed and when I create my own C ++ classes in ue4, then when I double-click on them, visual studio starts, where the code of my project and the created class opens, but when I want to open the sources of the editor itself, then an empty visual studio window opens and ue4 says “Could not find code file, D: / Build / ++ ue4 / …”. Although I don’t even have a D drive. How can I make ue4 look for its files not along this path, but for example where I have ue4 installed, for example C: \ Program Files \ Epic Games \ UE_4.25? Of course I can manually search for all the cpp files in the folder where I have ue4 installed, but I don’t want to do that every time.

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