| Function | Description |
|---|---|
| screen_refresh | Refreshes the screen using the current room image (not performing drawing events). |
| screen_wait_vsync | Waits for the next vertical synchronization of the monitor. |
| set_automatic_draw | Indicates whether to automatically redraw the room (true, default) or not (false). |
| set_synchronization | Indicates whether to synchronize the drawing with the refresh frequency of the monitor. |
| display_set_size | Sets the width and height of the display in pixels. Returns whether this was successful. (Realize that only certain combinations are allowed.) |
| display_set_colourdepth | Sets the colour depth. In general only 16 and 32 are allowed values. Returns whether successful. |
| display_set_frequency | Sets the refresh frequency for the display. Only few frequencies are allowed. Typically you could set this to 60 with a same room speed to get smooth 60 frames per second motion. Returns whether successful. |
| display_set_all | Sets all at once. Use -1 for values you do not want to change. Returns whether successful. |
| display_test_all | Tests whether the indicated settings are allowed. It does not change the settings. Use -1 for values you do not want to change. Returns whether the settings are allowed. |
| window_set_region_size | Set the width and height of the drawing region in the window. adaptwindow indicates whether the window size must be adapted if the region does not fit in. The window size will always be adapted if you use fixed scaling. |
| window_set_region_scale | If the window is larger than the actual room normally the room is displayed in a region centered in the window. It is though possible to indicate that it must be scaled to fill the whole or part of the window. A value of 1 is no scaling. If you use a value of 0 the region will be scaled to fill the whole window. If you set it to a negative value it will be scaled to the maximal size inside the window while maintaining the aspect ratio (this is often what you want). adaptwindow indicates whether the window size must be adapted if the scaled room does not fit in. Adapting the window is only effective when the scale factor is positive. |
| window_get_region_scale | Returns the scale factor for the drawing region. |
| window_get_region_width | Returns the current width of the drawing region. |
| window_get_region_height | Returns the current height of the drawing region. |
| window_set_visible | Sets whether the game window is visible. Clearly you normally want the window to remain visible during the whole game. The program will not receive keyboard events when the window is invisible. |
| window_get_visible | Returns whether the game window is visible. |
| window_set_showborder | Sets whether the border around the window is shown. (In full screen mode it is never shown.) |
| window_get_showborder | Returns whether the border around the window is shown in windowed mode. |
| window_set_showicons | Sets whether the border icons (iconize, maximize, close) are shown. (In full screen mode these are never shown.) |
| window_get_showicons | Returns whether the border icons are shown in windowed mode. |
| window_set_stayontop | Sets whether the window must always stay on top of other Windows. |
| window_get_stayontop | Returns whether the window always stays on top of other Windows. |
| window_set_sizeable | Sets whether the window is sizeable by the player. (The player can only size it when the border is shown and the window is not in full screen mode.) |
| window_get_sizeable | Returns whether the window is sizeable by the player. |
| window_default | Gives the window the default size and position (centered) on the screen. |
| window_view_mouse_set | Sets the position of the mouse with respect to the view with index id. |
| window_views_mouse_set | Sets the position of the mouse with respect to the first view that is visible. |
| room_set_caption | Sets the room caption for the given room index. |
These functions are now considered obsolete due to the changes
in the way that GameMaker: Studio draws things to the
screen, as well as the fact that some of them are legacy functions
from quite a while back which are no longer valid for modern
computers and devices, or that they don't work on any device except
a Windows machine, and even then they are usually not
necessary.