window_get_fullscreen

This function returns whether the game window is in fullscreen mode (true) or not (false).

 

Syntax:

window_get_fullscreen();

 

Returns:

Boolean

 

Example:

if window_get_fullscreen()
{
    draw_text(32, 32, "Fullscreen is ON");
}
else
{
    draw_text(32, 32, "Fullscreen is OFF");
}

The above code will check to see if the window is in full screen mode or not and draw a text message depending on the returned value.