MIDI : MIDI Editors : MIDI Editor Window Toolbar : Customizable Toolbar

Customizable Toolbar
You can customize the toolbar in MIDI Editor windows by rearranging, and showing and hiding the available controls and displays just like in the Edit window or the Score Editor window.
Changing Toolbar Display Options
To change the toolbar display options in a MIDI Editor window toolbar:
1 Do one of the following:
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– or – 
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2 From the pop-up menu, select or deselect any of the following:
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*   
*   
Rearranging Controls and Displays
You can rearrange the controls and displays in the MIDI Editor window toolbar just like in the Edit window or the Score Editor window.
To rearrange controls and displays in a MIDI Editor window toolbar:
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Control-click (Windows) or Command-click (Mac) the controls or displays you want to move and drag them to the location in the Toolbar you want.