Re: [PATCH v7 0/1] MR5186: win32u: fix NtGdiExtCreateRegion implementation

[Jinoh Kang (＠iamahuman)]

On Fri Mar  8 11:49:57 2024 +0000, Bartosz Kosiorek wrote:
> Done. How I should implement it to return `ERROR_INVALID_PARAMETER` on
> Windows 7+, and `0xdeadbeef` on previous OS (e.g. WIndows XP)?

You can use `RtlGetVersion()` to get the currently configured version.

That said, you have to justify it with an actual app that expects Windows XP behavior if you want to include it in a MR submission to Wine.