Hiding when switching

By default, if you click on an application's icon in A-Dock, you will switch to that application. With the use of modifier keys, you can also hide applications when switching :

Option click :

1. If you hold down the option key when clicking on an icon from an application that is not the frontmost one, you will switch to that application and hide the last application.
2. If you hold down the option key when clicking on the icon of the frontmost application, you will hide this application.

Option+Shift click :

1. If you hold down the option key AND the shift key when clicking on an icon from an application that is not the frontmost one, you will switch to that application and hide all the other applications.
2. If you hold down the option key AND the shift key when clicking on the icon of the frontmost application, you will hide all the other applications.