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Command buttons that appear in toolbars are called "toolbar buttons.". Typically, they use button graphics instead of button text.

Figure 1 Toolbar ButtonsImage Removed

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When a command button is unavailable, the dimmed appearance indicates that it cannot be used. The following figure shows the appearance of available, pressed (and focused), and unavailable command buttons.

Figure 2 Available, Pressed, and Unavailable Command Buttons
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Users can click command buttons to specify a command or initiate an action, such as Save, Cancel, or Submit Changes.

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Figure3 Default and Non default Command Buttons
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The Enter and Return equivalents activate the default command button unless keyboard focus is currently on a component that accepts the Enter or Return key. For instance, if the insertion point is in a multiline text area and the user presses Enter, the insertion point moves to the beginning of a new line rather than activating a default button. Users can press Ctrl-Tab to move the focus out of the current component and then press Enter.

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