Is is possible to change the appearance of the scroll bar of Scintilla/SciTE?

[Kevin Wang]

Hi, Neil and other buddies who love Scintilla,

I want to change Scintilla into dark mode, but seems I cannot change the scroll bar. I know Scintilla is using the standard scrollbar of Windows. Is it possible to change it to "Dark" mode?

Here is the outlook of Notepad++, seems it is good:

Regards,

Kevin

[Robert Di Pardo]

Notepad++ achieves this by invoking a Windows API that became available in build 17763 of Windows, or W10 1809:
https://github.com/notepad-plus-plus/notepad-plus-plus/blob/c1954e5c447cdaaeb004315ed7db2c0cf29d764c/PowerEditor/src/NppDarkMode.cpp#L3137-L3145

The given application is responsible for its own window appearance. Scintilla is only an editing component.

[Kevin Wang]

Thank you Robert!

Please check the below picture. I only add one line and it looks what I am seeking!!!

Thank you!

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[Andrew Truckle]

Interesting. I see that this code will give dark mode scroll bars:

SetWindowTheme(m_pMainWnd->GetSafeHwnd(), L"DarkMode_Explorer", nullptr);

But, as I expected, on Windows 11 my MFC dialog itself does not render dark mode. I can get the title bar to render dark mode. But nothing else.