private void partyToolStripMenuItem_Click(object sender, EventArgs e) { if (_instancePartyMasterForm == null) { CloseAllForms(); _instancePartyMasterForm = new PartyMasterForm(); _instancePartyMasterForm.MdiParent = this; _instancePartyMasterForm.FormClosed += instancePartyMasterFormHasBeenClosed; } else { ShowMessage(); } _instancePartyMasterForm.Show(); }
private void instancePartyMasterFormHasBeenClosed(object sender, FormClosedEventArgs e) { _instancePartyMasterForm = null; }