Using the Toolbar Control
Generally speaking, when a program has a menu (as most programs should), it should also have a toolbar. Toolbars are one of the easiest ways for a user to access program functions. Unlike menu items, toolbar items are always visible and therefore are immediately available. In addition, toolbar items have ToolTips, which enable a user to discover a toolbar button's purpose simply by hovering the pointer over the button.
Toolbar items are really shortcuts for menu items; every item on a toolbar should have a corresponding menu item. Remember that some users prefer to use the keyboard, in which case they need to have keyboard access to functions via menus.
The actual items you place on a toolbar depend on the features supported ...