// initialize main menu
void InitApplicationMenu()
{
// initialize menu
RibbonApplicationMenu menu = this.ApplicationMenu;
menu.DropDownWidth = 370;
menu.AllowImageScaling = false;
menu.SmallImage = Resources.AppMenuArrow;
menu.Appearance = AppMenuAppearance.WholeForm;
menu.DropDown += Menu_DropDown;
// left menu items
RibbonItemCollection items = menu.LeftPaneItems;
items.ClearAndDisposeItems();
items.Add(CreateButton("New"));
items.Add(CreateTab("OpenTab"));
((AppMenuTabs.OpenTab)((RibbonAppMenuTab)items["OpenTab"]).Control).RibbonApplicationMenu = menu;
items.Add(CreateButton("Save"));
items["Save"].SmallImage = null;
items.Add(CreateTab("SaveAsTab"));
((AppMenuTabs.SaveAsTab)((RibbonAppMenuTab)items["SaveAsTab"]).Control).RibbonApplicationMenu = menu;
items.Add(new RibbonSeparator());
items.Add(CreateTab("PrintTab"));
_printTab = (AppMenuTabs.PrintTab)((RibbonAppMenuTab)items["PrintTab"]).Control;
_printTab.Ribbon = this;
_printTab.VisibleChanged += _printTab_VisibleChanged;
//items.Add(CreateSplitButton("Print",
// CreateHeaderLabel("PreviewAndPrint"),
// CreateButton("Print"),
// CreateButton("QuickPrint"),
// CreateButton("PrintPreview")));
items.Add(CreateButton("ExportPdf"));
items.Add(new RibbonSeparator());
items.Add(CreateButton("Exit"));
_mruOpened = new RecentDocumentList(Settings.Default.OpenedFiles);
_mruSaved = new RecentDocumentList(Settings.Default.SavedFiles);
}