private void btnTraSach_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = this.KiemTraTonTai(typeof(frmTraSach)); if (frm != null) { frm.Activate(); } else { frmTraSach f = new frmTraSach(); f.MdiParent = this; f.Show(); } }
private void btnTraSach_ItemClick(object sender, ItemClickEventArgs e) { Form frm = formCheck(typeof(frmTraSach)); if (frm == null) { frmTraSach f = new frmTraSach(); f.MdiParent = this; f.Show(); } else { frm.Activate(); } }
private void trảSáchToolStripMenuItem_Click(object sender, EventArgs e) { TraSach = new frmTraSach(); TraSach.ShowDialog(); }
private void trảTàiLiệuToolStripMenuItem_Click(object sender, EventArgs e) { frmTraSach frm = new frmTraSach(); frm.Show(); }