VB编程,求大神帮忙啊，“数组问题”窗口利用随机函数随机产生两个两位数的5×5矩阵并作运算。在线等...

Dim a%(1 To 6, 1 To 6), b%(1 To 6, 1 To 6)

Private Sub Command1_Click()

For i = 1 To 5
For j = 1 To 5
a(i, j) = Int(Rnd * 90 + 10)
Picture1.Print a(i, j);
Next j
Picture1.Print
Next i
For i = 1 To 5
For j = 1 To 5
b(i, j) = Int(Rnd * 90 + 10)
Picture2.Print b(i, j);
Next j
Picture2.Print
Next i
End Sub

Private Sub Command2_Click()
Picture3.Cls
Dim c%(1 To 5, 1 To 5), m%, n%, s%
For i = 1 To 5
For j = 1 To 5
c(i, j) = a(i, j) + b(i, j)
If c(i, j) > s Then s = c(i, j): m = i: n = j
Picture3.Print c(i, j);
Next j
Picture3.Print
Next i
Picture3.Print "矩阵C中最大值为" & s & "下标为" & m & "," & n
End Sub

Private Sub Command3_Click()
Dim k%, l%
Picture3.Cls
Picture3.Print "矩阵A左上右下对角元素："
For i = 1 To 5
Picture3.Print Tab(4 * (i - 1)); a(i, i)
k = k + a(i, i)
Next i
Picture3.Print "元素之和=" & k
Picture3.Print
Picture3.Print "矩阵A右上左下对角元素："
For i = 1 To 5
Picture3.Print Tab(4 * (5 - i)); a(i, 6 - i)
l = l + a(i, 6 - i)
Next i
Picture3.Print "元素之和=" & l
End Sub

Private Sub Command4_Click()
Dim d%(1 To 25)
Picture3.Cls
For i = 1 To 5
For j = 1 To 5
d(5 * (i - 1) + j) = a(j, i)
Next j
Next i
For i = 1 To 25
Picture3.Print d(i)
Next i
End Sub