public frmFormasFarmaceuticasAE(frmFormaFarmaceuticas frm)
 {
     InitializeComponent();
     this.frm = frm;
 }
        private void formasFarmaceuticasToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmFormaFarmaceuticas frm = new frmFormaFarmaceuticas();

            frm.ShowDialog(this);
        }