//系统管理 private void toolStripDropDownButton3_Click(object sender, EventArgs e) { Form f1 = new message(); if (f1.ShowDialog() == DialogResult.OK) { if (this.checkChildFrmExist("系统管理") == true) { return; } Form f = new systemmanage(); f.Text = "系统管理"; f.MdiParent = this; f.WindowState = FormWindowState.Maximized; f.Show(); } }
private void label12_Click(object sender, EventArgs e) { Form f1 = new message(); f1.Show(); }