https://bbs.csdn.net/topics/392156324?page=1
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
listBox1.SelectionMode = SelectionMode.MultiSimple;
listBox2.SelectionMode = SelectionMode.MultiSimple;
listBox1.Items.Add(1); ;
listBox1.Items.Add(2);
listBox1.Items.Add(3);
listBox1.Items.Add(4);
listBox1.Items.Add(5);
button1.Click += new EventHandler(button_Click);
button2.Click += new EventHandler(button_Click);
button3.Click += new EventHandler(button_Click);
button4.Click += new EventHandler(button_Click);
}
void button_Click(object sender, EventArgs e)
{
switch ((sender as Button).Text)
{
case ">": ItemMove(listBox1, listBox2); break;
case "<": ItemMove(listBox2, listBox1); break;
case ">>": ItemMove(listBox1, listBox2, true); break;
case "<<": ItemMove(listBox2, listBox1, true); break;
}
}
void ItemMove(ListBox a, ListBox b, bool all=false)
{
var st = new ArrayList();
if(all) foreach (var item in a.Items) st.Add(item);
else foreach (var item in a.SelectedItems) st.Add(item);
foreach(var item in st)
{
b.Items.Add(item);
a.Items.Remove(item);
}
}
}
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