private void btnThemLoaiThuoc_Click(object sender, EventArgs e) { frmThemToaThuoc frm = new frmThemToaThuoc(); frm.StartPosition = FormStartPosition.CenterScreen; frm.MaximizeBox = false; frm.MinimizeBox = false; frm.FormClosing += new FormClosingEventHandler(ChildFormClosing); frm.ShowDialog(); }
private void btnToaThuoc_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { bool _IsActive = false; foreach (Form form in Application.OpenForms.OfType <Form>().ToList()) { if (form.GetType() == typeof(frmThemToaThuoc)) { form.Activate(); _IsActive = true; } } if (!_IsActive) { frmThemToaThuoc frm = new frmThemToaThuoc(); frm.MdiParent = this; frm.Show(); } }