webview2_com_sys::Windows::Win32::UI::WindowsAndMessaging

Function CalculatePopupWindowPosition

Source 
pub unsafe fn CalculatePopupWindowPosition(
    anchorpoint: *const POINT,
    windowsize: *const SIZE,
    flags: u32,
    excluderect: *mut RECT,
    popupwindowposition: *mut RECT,
) -> BOOL