private void toolStripMenuItemDeleteUser_Click(object sender, EventArgs e) { mainMessage.Text = "Διαγραφή Χρήστη Σε Εξέλιξη...."; menuStripMain.Enabled = false; userDelete = new DeleteUser(); userDelete.MdiParent = this; userDelete.Show(); userDelete.FormClosing += new FormClosingEventHandler(userDelete_FormClosing); }