private void yourPersonalDataToolStripMenuItem_Click(object sender, EventArgs e) { if (personalDataForm == null) { personalDataForm = new PersonalDataForm(login); personalDataForm.MdiParent = this; personalDataForm.FormClosed += personalDataForm_FormClosed; personalDataForm.Show(); } else { personalDataForm.Activate(); } }
private void personalDataForm_FormClosed(object sender, FormClosedEventArgs e) { personalDataForm = null; }