private void mBaoCao_Click(object sender, EventArgs e) { lblTieuDe.Text = "Báo cáo"; Cursor.Current = Cursors.WaitCursor; XuLyChuyenForm(); FrmBaoCao m_frmBaoCao = FrmBaoCao.Instance; f = m_frmBaoCao; m_frmBaoCao.MdiParent = this; m_frmBaoCao.Dock = DockStyle.Fill; m_frmBaoCao.Show(); }
private void FrmBaoCao_FormClosed(object sender, FormClosedEventArgs e) { _Instance = null; }