public static jcform CreateForm() { if (_danli == null) { _danli = new jcform(); } return(_danli); }
private void toolStripButton4_Click(object sender, EventArgs e) { if (!FilterClass.jcsj()) { MessageBox.Show("无权操作!"); return; } jcform jicun = jcform.CreateForm(); jicun.MdiParent = this; jicun.Parent = panel3; jicun.WindowState = FormWindowState.Maximized; jicun.Show(); }
private void jcform_FormClosing(object sender, FormClosingEventArgs e) { _danli = null; }