View Entire Layer
The View Entire Layer button is used to set the current map view to the extent of a specific map layer. If there are multiple layers in the map window, the View Entire Layer dialog will open.
To set the current map view to a specific layer, select it from the list and click the Zoom button.
To set the current map view to all layers in the map window, select <<ALL LAYERS>> and click the Zoom button.