private void lançamentoNoPlanoDeContasToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            var frmplanocontas = new FrmPlanoContas();

            frmplanocontas.MdiParent = this;
            frmplanocontas.Show();
        }
 private void lançamentoNoPlanoDeContasToolStripMenuItem1_Click(object sender, EventArgs e)
 {
     var frmplanocontas = new FrmPlanoContas();
     frmplanocontas.MdiParent = this;
     frmplanocontas.Show();
 }