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The Source Data page of the Layer Properties dialog provides summary, read-only information about the layer and options to refresh the layer's data when it is appropriate to do so because the content is dynamic in nature. To display the Source Data page of the Layer Properties dialog, right-click the layer in the Contents window, click Properties... and then click Source Data.

##### Read or set these properties

- Layer Summary
- Repair
- Refresh Options

##### Layer Summary

The Layer Summary section displays the following information:

Name | The name of the layer as it appears in the Contents window. If you rename the layer in the Contents window, the next time you display the Source Data panel, you'll see that it reflects the change.
Source | The layer's local disk or UNC path, URL, or SDE database name
Type | Brief, generic information describing the layer's data type; for example, Feature Layer, GlobeService, GeoRSS, etc.
Coordinate System | The coordinate system used by the layer
Behavior | When appropriate, information on whether the layer is draped over the terrain, floats over it, or serves as an elevation source for the map

##### Repair

When a layer is broken the Repair... button will be come enabled. Click the Repair... button to change the data source of the broken layer. Select the broken layer in the Broken Layers dialog and click the Repair Layer... button. Change the location of the data by browsing to the new location or by specifying new connection information if the service or geodatabase location has changed.

##### Refresh Options

The Refresh options control whether ArcGIS Explorer will refresh the data. Three options are provided. For most, non-GeoRSS, layers, the first option, Once as the data is accessed, is the recommended setting for static data. The second option, When the map is opened or the layer is added, should provide an adequate means of keeping data that changes occasionally up-to-date. The third option, At a specific time interval is initialized when you add a layer based on a Geo-RSS feed.
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