Public Class Form1
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Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim ListboxTotalItem As Integer = ListBox1.Items.Count - 1
Dim a(ListboxTotalItem) As String
For i As Integer = 0 To ListboxTotalItem
a(i) = i
Next
Label1.Text = a(5)
End Sub
End Class
-------------
一个Form1
一个Label1
一个Listbox1
一个Button1
在Listbox1中加入10个值
-------------
只是一个演示，其他的要靠自己。
using System;
using System.Collections.Generic;
using System.Text;
namespace ConsoleApplication42
{
class Program
{
static void Main(string[] args)
{
count = 0;
String[] s = Console.ReadLine().Split(' ');
int[] array = new int[s.Length];
for (int i = 0; i s.Length; i++)
{
array[i] = Convert.ToInt32(s[i]);
}
int m = Convert.ToInt32(Console.ReadLine());
Listint arraylist = new Listint();
arraylist.AddRange(array);
Output(arraylist, m, null);
Console.WriteLine("共有" + count.ToString() + "个");
Console.ReadKey();
}
static int count = 0;
static void Output(Listint array, int m, Listint output)
{
if (output == null)
output = new Listint();
if (m == 0)
{
for (int i = 0; i output.Count; i++)
{
Console.Write(output[i].ToString() + " ");
}
Console.Write("\r\n");
count++;
return;
}
else
{
for (int i = 0; i array.Count; i++)
{
Listint output2 = new Listint();
output2.AddRange(output.ToArray());
output.Add(array[i]);
Listint array2 = new Listint();
array2.AddRange(array.ToArray());
for (int j = 0; j = i; j++)
{
int number = array[j];
array2.Remove(number);
}
Output(array2, m - 1, output);
output.Clear();
output.AddRange(output2.ToArray());
}
}
}
}
}
额，没注意VB，用C#写的。。。
输出了的，你新建一个C#控制台程序，把这段贴进去，运行一下就知道了
先输入一组字符串，然后输入一个整数，就会把所有的组合输出出来
我把这段转成VB再发一次吧
Module Module1
Sub Main()
count = 0
Dim s As String() = Console.ReadLine().Split(" ")
Dim array(0 To s.Length - 1) As Integer
For i As Integer = 0 To s.Length - 1
array(i) = Convert.ToInt32(s(i))
Next
Dim m As Integer = Convert.ToInt32(Console.ReadLine())
Dim arraylist As New List(Of Integer)
arraylist.AddRange(array)
Print(arraylist, m, Nothing)
Console.WriteLine("共有" + count.ToString() + "个")
Console.ReadKey()
End Sub
Sub Print(ByRef array As List(Of Integer), ByVal m As Integer, ByRef output As List(Of Integer))
If output Is Nothing Then
output = New List(Of Integer)()
End If
If m = 0 Then
For i As Integer = 0 To output.Count - 1
Console.Write(output(i).ToString() + " ")
Next
Console.Write(vbCrLf)
count = count + 1
Return
Else
For i As Integer = 0 To array.Count - 1
Dim array2 As New List(Of Integer)
Dim output2 As New List(Of Integer)
output2.AddRange(output.ToArray())
output.Add(array(i))
array2.AddRange(array.ToArray())
For j As Integer = 0 To i
Dim number As Integer = array(j)
array2.Remove(number)
Next
Print(array2, m - 1, output)
output.Clear()
output.AddRange(output2.ToArray())
Next
End If
End Sub
Dim count As Integer = 0
End Module
S_chflag1(n) = Zonename(str_qy) ":" Chname1(str_xd)
字符串拼接尽量不用加号
Dim a As Byte() = New Byte() {1, 2, 3, 4}
Dim b As Byte() = New Byte() {5, 6, 7, 8}
Dim c As Byte() = a.Concat(b).ToArray
'c={1,2,3,4,5,6,7,8}
Private Sub Command1_Click()
a = Array(1, 2, 4, 7, 9, 34, 65, 73, 78, 99, 234, 1234)
b = Array(0, 23, 33, 56, 78, 98, 99, 234, 1000, 9999)
Dim c(30)
i = 0
j = 0
k = 0
While i = UBound(a) And j = UBound(b)
If a(i) b(j) Then
c(k) = a(i)
i = i + 1
Else
c(k) = b(j)
j = j + 1
End If
k = k + 1
Wend
While i UBound(a)
c(k) = a(i)
i = i + 1: k = k + 1
Wend
While j UBound(b)
c(k) = b(j)
j = j + 1: k = k + 1
Wend
Print "原A数组："
For i = 0 To UBound(a)
Print a(i);
Next i
Print "原B数组："
For i = 0 To UBound(b)
Print b(i);
Next i
Print "合并后的c数组："
For i = 0 To k
Print c(i);
If i Mod 15 = 14 Then Print
Next i
End Sub