Return the currently active game window.
#t if obj is a window object.
Return the title of window.
Return the width of window in pixels.
Return the height of window in pixels.
Retun the X coordinate of the upper-left corner of window.
Return the Y coordinate of the upper-left corner of window.
Make window visible over all other windows.
Restore the size and position of a minimized or maximized window.
Enable/disable the border around window. If border? is
#f, the border is disabled, otherwise it is enabled.
Change the title of window to title.
Change the dimensions of window to width x height pixels.
Move the upper-left corner of window to pixel coordinates (x, y).
Enable or disable fullscreen mode for window. If
#f, fullscreen mode is disabled, otherwise
it is enabled.