Function windows::Win32::UI::Controls::HitTestThemeBackground
pub unsafe fn HitTestThemeBackground<P0, P1, P2>(
htheme: P0,
hdc: P1,
ipartid: i32,
istateid: i32,
dwoptions: HIT_TEST_BACKGROUND_OPTIONS,
prect: *const RECT,
hrgn: P2,
pttest: POINT
) -> Result<u16>