property ToolBar.PopupAppearance as ToolBarAppearanceEnum
Retrieves or sets a value that indicates the menu's appearance.

TypeDescription
ToolBarAppearanceEnum A ToolBarAppearanceEnum expression that specifies the popup's frame appearance, or a color expression whose last 7 bits in the high significant byte of the value indicates the index of the skin in the Appearance collection, being displayed as control's borders. For instance, if the Appearance = 0x1000000, indicates that the first skin object in the Appearance collection defines the control's border.  The Client object in the skin, defines the client area of the control. The list/hierarchy, scrollbars are always shown in the control's client area. The skin may contain transparent objects, and so you can define round corners. The normal.ebn file contains such of objects. Use the eXButton's Skin builder to view or change this file
By default, the PopupAppearance property is NoBorder. The Background(exMenuFlatLineColor) property indicates the color of line that divides the left to right side of the menu, when the PopupFlatAppearance property is True. The PopupFlatBackColor property indicates the color to show the left part of the menu, when the PopupFlatAppearance property is True. The BackColor property specifies the menu's background color. The Background(exMenuSeparatorItem) property specifies the visual appearance of the separator items.