webview2_com_sys::Windows::Win32::UI::Controls

Function GetThemeBackgroundRegion

Source 
pub unsafe fn GetThemeBackgroundRegion<'a>(
    htheme: isize,
    hdc: impl IntoParam<'a, HDC>,
    ipartid: i32,
    istateid: i32,
    prect: *mut RECT,
) -> Result<HRGN>