MAXScript UI创建。

创建使用程序，包含程序内容。

utility <var_name> <description_string> [rolledUp:<boolean> ] [silentErrors:<boolean> ]
( 
<utility_body> 
)

rollout  卷展栏

group  组

button 按钮

checkbox 选择框

例：

utility fo "NAME"
(

	group   "my"
	(
	button  mbu   "mbu"
	checkbox  x  "me"
	on mbu pressed do
	(
		print "mbu pressed"
	)
		
	)
	group "b"
	(
		button  rolb  "rolb"
		on rolb pressed do
		(
			print "rolb pressed"
		)
	)
)