---
name: "excustom"
section: "3alleg"
platform: "linux"
package: "liballegro-doc"
version: "2:4.2.2-2.2"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/excustom"
---

# excustom(3alleg)

Creating custom GUI objects. Allegro game programming library.

## NAME

excustom - Creating custom GUI objects. Allegro game programming library.

## SYNOPSIS

**#include \<allegro.h\>**

**Example excustom**

## DESCRIPTION

A follow up of the exgui.c example showing how to customise the default Allegro framework. In this case a dialog procedure animates a graphical clock without disrupting other GUI dialogs.  A more simple option shows how to dynamically change the font used by all GUI elements.

## SEE ALSO

[**BITMAP**(3alleg)](/BITMAP/3alleg.md), [**DATAFILE**(3alleg)](/DATAFILE/3alleg.md), [**DIALOG**(3alleg)](/DIALOG/3alleg.md), [**END\_OF\_MAIN**(3alleg)](/END_OF_MAIN/3alleg.md), [**FONT**(3alleg)](/FONT/3alleg.md), [**allegro\_error**(3alleg)](/allegro_error/3alleg.md), [**allegro\_init**(3alleg)](/allegro_init/3alleg.md), [**allegro\_message**(3alleg)](/allegro_message/3alleg.md), [**blit**(3alleg)](/blit/3alleg.md), [**circle**(3alleg)](/circle/3alleg.md), [**circlefill**(3alleg)](/circlefill/3alleg.md), [**clear\_to\_color**(3alleg)](/clear_to_color/3alleg.md), [**create\_bitmap**(3alleg)](/create_bitmap/3alleg.md), [**d\_button\_proc**(3alleg)](/d_button_proc/3alleg.md), [**d\_check\_proc**(3alleg)](/d_check_proc/3alleg.md), [**d\_clear\_proc**(3alleg)](/d_clear_proc/3alleg.md), [**d\_edit\_proc**(3alleg)](/d_edit_proc/3alleg.md), [**desktop\_palette**(3alleg)](/desktop_palette/3alleg.md), [**destroy\_bitmap**(3alleg)](/destroy_bitmap/3alleg.md), [**do\_dialog**(3alleg)](/do_dialog/3alleg.md), [**fixcos**(3alleg)](/fixcos/3alleg.md), [**fixed**(3alleg)](/fixed/3alleg.md), [**fixmul**(3alleg)](/fixmul/3alleg.md), [**fixsin**(3alleg)](/fixsin/3alleg.md), [**fixtoi**(3alleg)](/fixtoi/3alleg.md), [**font**(3alleg)](/font/3alleg.md), [**install\_keyboard**(3alleg)](/install_keyboard/3alleg.md), [**install\_mouse**(3alleg)](/install_mouse/3alleg.md), [**install\_timer**(3alleg)](/install_timer/3alleg.md), [**itofix**(3alleg)](/itofix/3alleg.md), [**key**(3alleg)](/key/3alleg.md), [**line**(3alleg)](/line/3alleg.md), [**load\_datafile**(3alleg)](/load_datafile/3alleg.md), [**makecol**(3alleg)](/makecol/3alleg.md), [**object\_message**(3alleg)](/object_message/3alleg.md), [**replace\_filename**(3alleg)](/replace_filename/3alleg.md), [**screen**(3alleg)](/screen/3alleg.md), [**set\_gfx\_mode**(3alleg)](/set_gfx_mode/3alleg.md), [**set\_palette**(3alleg)](/set_palette/3alleg.md), [**unload\_datafile**(3alleg)](/unload_datafile/3alleg.md)