/// <summary> /// Raises the <see cref="FormClosed"/> event. /// </summary> /// <param name="e">A <see cref="FormClosedEventArgs"/> that contains the event data.</param> /// <remarks> /// https://msdn.microsoft.com/en-us/library/system.windows.forms.form.onformclosed(v=vs.110).aspx /// </remarks> protected virtual void OnFormClosed(FormClosedEventArgs e) { var evenHandler = FormClosed; evenHandler?.Invoke(this, e); }