Исправить ошибку For without Next - VB

1   Select Case tru(i)
2    Case 1 [COLOR="SeaGreen"]' раскосная треугольная[/COLOR]
3        If res = 0 Then
4        res = 1
5        Else
6        res = 0
7        End If
8        If res = 0 Then
9        Form15.Line (x11, Y1)-(x22, Y2)
10        End If
11        If res = 1 Then
12        Form15.Line (x21, Y1)-(x12, Y2)
13        End If
        
14    Case 2 [COLOR="seagreen"]'полураскосная верх.[/COLOR]
15        Form15.Line (x11, Y1)-(x0, Y2): Form15.Line (x21, Y1)-(x0, Y2)
 
16    Case 3 [COLOR="seagreen"]'п/р низ[/COLOR]
17        Form15.Line (x12, Y2)-(x0, Y1): Form15.Line (x22, Y2)-(x0, Y1)
 
18    Case 4 [COLOR="seagreen"]' крестовая[/COLOR]
19        Form15.Line (x11, Y1)-(x22, Y2): Form15.Line (x21, Y1)-(x12, Y2)
 
20    Case 5 [COLOR="seagreen"]' ромбическая[/COLOR]
21        X1 = (x11 + x12) / 2: X2 = (x21 + x22) / 2
22        Y = Y2 + h(i) / 2
23        Form15.Line (x0, Y1)-(X1, Y): Form15.Line (X2, Y)-(x0, Y1)
24        Form15.Line (x0, Y2)-(X1, Y): Form15.Line (X2, Y)-(x0, Y2)
 
25    Case 6[COLOR="seagreen"] ' ромбическая с шпренгелями[/COLOR]
26        X1 = (x11 + x12) / 2: X2 = (x21 + x22) / 2
27        Y = Y2 + h(i) / 2 '
 
28        x3 = (x0 + X1) / 2:
29        x4 = (X2 + x0) / 2
30        y3 = Y1 + (Y - Y1) / 2
31        x5 = (X1 + x0) / 2: x6 = (X2 + x0) / 2
32        y4 = Y + (Y2 - Y) / 2
 
33        Form15.Line (x0, Y1)-(X1, Y): Form15.Line (X2, Y)-(x0, Y1)
34        Form15.Line (x0, Y2)-(X1, Y): Form15.Line (X2, Y)-(x0, Y2)
 
35        Form15.Line (x11, Y1)-(x3, y3): Form15.Line (x21, Y1)-(x4, y3)
36        Form15.Line (x12, Y2)-(x5, y4): Form15.Line (x22, Y2)-(x6, y4)
 
37    Case 7[COLOR="seagreen"] ' ромбическая с усиленным шпренгелем[/COLOR]
38        X1 = (x11 + x12) / 2: X2 = (x21 + x22) / 2
39        Y = Y2 + h(i) / 2
40        x3 = (x0 + X1) / 2: x4 = (X2 + x0) / 2
41        y3 = Y1 + (Y - Y1) / 2
42        x5 = (X1 + x0) / 2: x6 = (X2 + x0) / 2
43        y4 = Y + (Y2 - Y) / 2
44        x7 = (x11 + X1) / 2: x8 = (X2 + x21) / 2
45        X9 = (x11 + x0) / 2: X10 = (x0 + x21) / 2
46        x01 = (X1 + x12) / 2: x02 = (X2 + x22) / 2
47        x03 = (x0 + x12) / 2: x04 = (x0 + x22) / 2
48        Form15.Line (x0, Y1)-(X1, Y): Form15.Line (X2, Y)-(x0, Y1)
49        Form15.Line (x0, Y2)-(X1, Y): Form15.Line (X2, Y)-(x0, Y2)
    
50        Form15.Line (x11, Y1)-(x3, y3): Form15.Line (x21, Y1)-(x4, y3)
51        Form15.Line (x12, Y2)-(x5, y4): Form15.Line (x22, Y2)-(x6, y4)
 
52        Form15.Line (x7, y3)-(x3, y3): Form15.Line (x8, y3)-(x4, y3)
53        Form15.Line (X9, Y1)-(x3, y3): Form15.Line (X10, Y1)-(x4, y3)
 
54        Form15.Line (x01, y4)-(x5, y4): Form15.Line (x02, y4)-(x6, y4)
55        Form15.Line (x03, Y2)-(x5, y4): Form15.Line (x04, Y2)-(x6, y4)
 
56    Case 8 [COLOR="seagreen"]' портальная[/COLOR]
57        Form15.Line (x11, Y1)-(x0, Y2): Form15.Line (x21, Y1)-(x0, Y2)
58 [COLOR="Blue"]1 [/COLOR]        k(i) = k + 1
59        If k(i) = nro(i) Then
60        GoTo 2
61         End If
62        x3 = x21 + (-x21 + x22) / nro(i) * k
63        x4 = x21 + (-x21 + x0) / nro(i) * k
64        x5 = x11 - (x11 - x12) / nro(i) * k
65        x6 = x11 - (x11 - x0) / nro(i) * k
66        x7 = x21 + (-x21 + x22) / nro(i) * (k + 1)
67        x8 = x11 - (x11 - x12) / nro(i) * (k + 1)
 
68        y3 = Y1 - (Y1 - Y2) / nro(i) * k
69        y4 = Y1 - (Y1 - Y2) / nro(i) * (k + 1)
 
70        Form15.Line (x3, y3)-(x4, y3): Form15.Line (x5, y3)-(x6, y3)
71        Form15.Line (x4, y3)-(x7, y4):  Form15.Line (x6, y3)-(x8, y4)
72        GoTo 1
73        End Select
74 [COLOR="blue"]2[/COLOR] Form15.Show
75 End Sub