Re: [PATCH] comctl32/trackbar: Scale thumb size with resolution.

[Alexandre Julliard]

Nikolay Sivov  writes:
> @@ -1488,6 +1489,10 @@ TRACKBAR_InitializeThumb (TRACKBAR_INFO *infoPtr)
>      else
>          infoPtr->uThumbLen = clientWidth > 9 ? clientWidth - 6 : 4;
> - hdc = GetDC(infoPtr->hwndSelf);
> - infoPtr->uThumbLen = MulDiv(infoPtr->uThumbLen, GetDeviceCaps(hdc, LOGPIXELSX), 96);
> - ReleaseDC(infoPtr->hwndSelf, hdc);

You probably want to use GetDpiForWindow() instead. Also it seems to me
that the check against the client rect should be done after scaling.