The dialog appears when you click File > Canvas Setup on the menu bar, or the Canvas Setup button 
on the toolbar of the Shape Map Editor window. It helps you to change the width and height of the shape map object. See the dialog.
The following are details about options in the dialog:
Width
Specifies the width of the map object, in inches.
Height
Specifies the height of the map object, in inches.
Automatic Filling Labels
If checked, the label will not be displayed when the size of the area is changed to be smaller than the label.
OK
Applies the changes and closes the dialog.
Cancel
Does not retain any changes and closes the dialog.
Help
Displays the help document about this feature.
