#!yab

dim Part$(1)
window open 100, 100, 240, 300, "A", "Checkboxes"
window set "A", "flags", "not-h-resizable, not-v-resizable, not-zoomable"

// create the checkboxes
// with layout for left top
layout "left, top", "A"
for NP = 1 to 5
	Y = Y+25
	checkbox 10, Y, "CheckMe:"+str$(NP), "OFF", 0, "A"
next NP

button 10, 170 to 130, 190, "Button_", "Check them", "A"

while (not instr(msg$, "Quit"))
	msg$ = message$
	if (split(msg$, Part$(), ":|") < 3) dim Part$(3)

	// if one of the checkboxes was used
	if (msg$ = "CheckMe:"+Part$(2)+":"+Part$(3)+"|") then
		option set "CheckMe:"+Part$(2), "label", Part$(3)
	fi

	// if the button was pressed
	if (msg$ = "Button_|") then
		if (check$ = "ON") then
			check$ = "OFF"
			option set "Button_", "label", "Check them"
		else
			check$ = "ON"
			option set "Button_", "label", "Uncheck them"
		fi
		for NP = 1 to 5
			checkbox set "CheckMe:"+str$(NP), (check$ = "ON")
			option set "CheckMe:"+str$(NP), "label", check$
//			sleep 0.05
		next NP
	fi

wend
exit