/// <summary>
        /// Löst das <see cref="E:System.Windows.Forms.ToolStripItem.Click" />-Ereignis aus.
        /// </summary>
        /// <param name="e">Ein <see cref="T:System.EventArgs" />, das die Ereignisdaten enthält.</param>
        protected override void OnClick(EventArgs e)
        {
            if (e != null)
            {
                base.OnClick(e);
                if (this.ClassType == DialogClassType.DialogEntry)
                {
                    if (dialogEntryItem != null && dialogEntryItem.ParentDialog != null)
                    {
                        Dialog parent = dialogEntryItem.ParentDialog;

                        if (parent.GetActiveDialog() != null)
                        {
                            Dialog      ActiveDialog  = parent.GetActiveDialog();
                            DialogEntry SelectedEntry = ActiveDialog.SelectedEntry;

                            parent.FocusOn();
                            parent.SelectEntry(dialogEntryItem);
                            parent.ActivateSelectedEntry();

                            /*If the Dialog is not following, the prior selected entry and active dialog will be restored*/
                            if (!AutoFollow)
                            {
                                //causes activateActivation to get wrong ActiveDialog && wrong switch case is chosen
                                // ActiveDialog.FocusOn();
                                // if(SelectedEntry != null)
                                //   ActiveDialog.SelectEntry(SelectedEntry);
                            }
                        }
                    }
                }
                else if (this.ClassType == DialogClassType.Dialog)
                {
                    if (dialogItem != null && AutoFollow)
                    {
                        if (this.DropDownItems != null && this.DropDownItems.Count != null && this.DropDownItems.Count > 0)
                        {
                            /*Dialog position should follow the navigation through the D2F structure*/
                            dialogItem.FocusOn();
                        }
                    }
                }
                fire_OnClickEvent();
            }
        }