# ----------------------------------------------------------------------
#  DEMO: pushbutton in [incr Widgets]
# ----------------------------------------------------------------------
package require Iwidgets 4.0

. configure -background white

iwidgets::pushbutton .pb -text "Push Me" -defaultring yes -command {
    puts "Hello, World!"
}
pack .pb -padx 4 -pady 4

checkbutton .default -text "Default ring" -variable defring \
    -command {.pb configure -defaultring $defring}
pack .default -padx 4 -pady 4

.default invoke