当窗体 Form1 加载时,自动产生 a、b 数组的数据,并分别显示在列表框 List1 与 List2
中,单击合并按钮 Command1 后,在 c 数组中保存按规则合并后的 a、b 数组的数据,并显示在列表框 List3 中。程序截图如下所示:
实现该功能的 VB 程序如下:
Const m = 5
Const n = 6
Dim a(1 To m) As Integer
Dim b(1 To n) As Integer
Dim c(1 To m + n) As Integer
‘窗体加载时,生成数组 a、b 中的数据,并按要求排序后显示在列表框中,代码略
Private Sub Command1_Click()
Dim pa As Integer, pb As Integer, pc As Integer, s As Integer, flag As Boolean
pa = m: pb = 1: pc = 1
flag = True
Do While ____________________
If a(pa) < b(pb) Then
s = a(pa)
pa = pa - 1
Elses = b(pb)
pb = pb + 1
End Ifc(pc) = s
If flag Then
pc = m + n - pc + 1
Elsepc =
End If__________________________
Loop
‘处理 a、b 数组中剩余数据,并在列表框 List3 中输出数组 c,代码略
End Sub
(1)窗体加载的事件处理过程名为__________。(填字母:
A.Form1_Click / | B.Form_Click / |
C.Form1_Load / | D.Form_load) |
(3)在划线处填入合适的代码。
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2