//create object
private void button1_Click(object sender, System.EventArgs e)
{
ObjectForm obj_form = new ObjectForm(this);
obj_form.Show();
}
private void button5_Click(object sender, EventArgs e)
{
Object o = (Object)listBox1.SelectedItem;
Console.WriteLine(o);
Form obj_form = new ObjectForm(this, o);
obj_form.Show();
}