Dear Feroz:
thank you for your help,but you still not understand my propose,i
try yours way ,the picture control's size is larged,but the "picture"
still invariab,can you understand? or this question i s also like
this:"how can labview 6.1 use it's picture control
to enlarge a picture's length and width with keep it's primary long
-width keep invariab,and it's definition is also keep invariab!"