protected internal override bool RaiseClosingEvent(int buttonId) { TaskDialogClosingEventArgs args; if ((int)TaskDialogCommonButtons.MinCustomControlId <= buttonId) { var control = FindButton(buttonId); if (control == null) { throw new InvalidOperationException(Properties.DialogErrorMessages.TaskDialogInvalidateButtonId); } args = TaskDialogClosingEventArgs.Create(control); } else { args = TaskDialogClosingEventArgs.Create((TaskDialogCommonButtons)buttonId); } OnClosing(args); return(!args.Cancel); }
protected virtual void OnClosing(TaskDialogClosingEventArgs args) { this.Closing?.Invoke(this, args); }