Description
The check box 'Show MapTips (uses primary display field)' on the Display tab of Layer Properties can be grayed-out for layers whose data source is in shapefile format.
Cause
The shapefile is not spatially indexed.
Solution or Workaround
Follow the steps below:
- In ArcMap, remove the layer in which the 'Show MapTips' check box is grayed-out.
- Start ArcCatalog.
- Locate and right-click on the shapefile. Click Properties.
- Click Indexes tab.
- Click the Add button.
- Click OK or Apply.
- Add the shapefile back into ArcMap. The 'Show MapTips' check box is enabled.