private void porFundoToolStripMenuItem_Click(object sender, EventArgs e)
 {
     frmRelatorioFundo novo = new frmRelatorioFundo();
     novo.Show();
 }
        private void proFundoToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form frm = new frmRelatorioFundo();
            frm.MdiParent = this;

            frm.Show();
        }