private void radMenuIC_Click(object sender, EventArgs e) { if (IC == null) { IC = new frmImportCliente(); IC.MdiParent = this; IC.FormClosed += delegate { IC = null; }; IC.Show(); } else { MessageBox.Show("Ya esta Abierta la Ventana!!!"); } }
private void radMenuIC_Click(object sender, EventArgs e) { if(IC==null){ IC = new frmImportCliente(); IC.MdiParent = this; IC.FormClosed += delegate { IC = null; }; IC.Show(); } else { MessageBox.Show("Ya esta Abierta la Ventana!!!"); } }