public frmMain() { InitializeComponent(); frmBorrow b = new frmBorrow(); b.Show(); b.MdiParent = this; b.WindowState = FormWindowState.Maximized; }
private void borrowToolStripMenuItem_Click(object sender, EventArgs e) { bool exist = false; foreach (Form b in this.MdiChildren) { if (b.Name == "frmBorrow") { b.Activate(); exist = true; break; } } if (!exist) { frmBorrow b = new frmBorrow(); b.MdiParent = this; b.Show(); } }