public static MDIChildFormCustomers CreateOrSelectForm(Form mdiParent) { if (mdiForm == null) { mdiForm = new MDIChildFormCustomers(); } mdiForm.MdiParent = mdiParent; mdiForm.Show(); mdiForm.BringToFront(); return(mdiForm); }
private void MiCustomers_Click(object sender, EventArgs e) { MDIChildFormCustomers.CreateOrSelectForm(this); }
private void MDIChildFormCustomers_FormClosed(object sender, FormClosedEventArgs e) { mdiForm = null; }