private void responsableToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Responsable In = new Responsable();

            In.MdiParent = this;
            In.Show();
        }
 private void responsableToolStripMenuItem_Click(object sender, EventArgs e)
 {
     Responsable In = new Responsable();
     In.MdiParent = this;
     In.Show();
 }