1
2
3
4 5 6 6 9 21 23 27 27 29 33 51 65 66 67
5
6
7
8
9
10
11
12
13
14
(menu manager) (model tree) (sub-window) (dialog box) 15
16
3. 17
18
19
20
21
22
23
24
25
26
27
? 28
29
30
31
32 2
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65