windows display upside down toggle in rust (🚀)

main.rs

/// Windows Display Upside down toggle
/// Made with <3 by Marie

use std::{mem::MaybeUninit, time::Duration};

use windows::Win32::Graphics::Gdi::{
    ChangeDisplaySettingsA, EnumDisplaySettingsA, DEVMODEA, DMDO_180, DMDO_DEFAULT,
    DM_DISPLAYORIENTATION, ENUM_CURRENT_SETTINGS,
};

fn main() {
    toggle_display();
    std::thread::sleep(Duration::from_secs(5));
    toggle_display();
}

fn toggle_display() {
    let mut mode: MaybeUninit<DEVMODEA> = MaybeUninit::uninit();
    unsafe {
        EnumDisplaySettingsA(None, ENUM_CURRENT_SETTINGS, mode.as_mut_ptr());
    }
    let mut mode = unsafe { mode.assume_init() };
    if (mode.dmFields | DM_DISPLAYORIENTATION).0 != 0 {
        mode.Anonymous1.Anonymous2.dmDisplayOrientation =
            if unsafe { mode.Anonymous1.Anonymous2.dmDisplayOrientation } == DMDO_DEFAULT {
                DMDO_180
            } else {
                DMDO_DEFAULT
            };
        unsafe {
            ChangeDisplaySettingsA(
                Some(&mode as *const _),
                windows::Win32::Graphics::Gdi::CDS_TYPE(0),
            )
        };
    }
}