private void hesapAƧmaToolStripMenuItem_Click(object sender, EventArgs e) { if (HesapAcma == null) { HesapAcma = new frm_HesapAcma(musteriBanka); HesapAcma.MdiParent = this; HesapAcma.FormClosed += HesapAcma_FormClosed; HesapAcma.Show(); } }
private void HesapAcma_FormClosed(object sender, FormClosedEventArgs e) { HesapAcma = null; }