private void button4_Click(object sender, EventArgs e)
{
Form2bis a = new Form2bis();
a.setLB(this.listBox2);
a.Activate();
a.Show();
}
private void listBox2_MouseDoubleClick(object sender, MouseEventArgs e)
{
int index = this.listBox2.IndexFromPoint(e.Location);
if (index != System.Windows.Forms.ListBox.NoMatches)
{
Light elementToModif = (Light)this.listBox2.Items[index];
DirectionalLight elementToModifCast = (DirectionalLight)elementToModif;
Form2bis recModifier = new Form2bis(elementToModifCast);
recModifier.setLB(this.listBox2);
recModifier.Activate();
recModifier.Show();
}
}