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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows.Forms;
namespace RechercheNombre
{
public partial class Form1 : Form
{
List<int> Origine = new List<int>();
List<int> Selection = new List<int>();
public Form1()
{
InitializeComponent();
Random rnd = new Random();
for (int i = 0; i < 50; i++)
{
Origine.Add(rnd.Next(10000, 99999));
}
var ori = new BindingList<int>(Origine);
listBox1.DataSource = ori;
SelectionChange(0);
}
private void numericUpDown1_ValueChanged(object sender, EventArgs e)
{
SelectionChange((int)(sender as NumericUpDown).Value);
}
private void SelectionChange(int valeur)
{
Selection = new List<int>();
listBox1.SelectedIndices.Clear();
for (int i = 0, cpt = listBox1.Items.Count; i < cpt; i++)
{
int val = (int)listBox1.Items[i];
if (val % 10 == valeur)
{
listBox1.SelectedIndices.Add(i);
Selection.Add(val / 10);
}
}
var sel = new BindingList<int>(Selection);
listBox2.DataSource = sel;
}
}
} |
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