https://learn.microsoft.com/en-us/windows/win32/api/dxgi1_2/nf-dxgi1_2-idxgiswapchain1-getbackgroundcolor
IDXGISwapChain1::GetBackgroundColor (dxgi1_2.h) - Win32 apps | Microsoft Learn
Retrieves the background color of the swap chain.
getbackgroundcolorhappsmicrosoftlearn
https://bugzilla.mozilla.org/show_bug.cgi?id=86120
86120 - Need nsEditorShell::getbackgroundcolor
VERIFIED (rubydoo123) in Core - DOM: Editor. Last updated 2001-09-12.
needgetbackgroundcolor