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d_check_proc(3)                 Allegro manual                 d_check_proc(3)

NAME
       d_check_proc - Dialog procedure implementing a check box object.
       Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       int d_check_proc(int msg, DIALOG *d, int c);

DESCRIPTION
       This is an example of how you can derive objects from other objects.
       Most of the functionality comes from d_button_proc(), but it displays
       itself as a check box. If the d1 field is non-zero, the text will be
       printed to the right of the check, otherwise it will be on the left.

       Note: the object width should allow space for the text as well as the
       check box (which is square, with sides equal to the object height).

SEE ALSO
       excustom(3), exgui(3)

Allegro                          version 4.4.2                 d_check_proc(3)