Spatial reference for the layer.
[Visual Basic 6.0] Property SpatialReference As ISpatialReference
[Visual Basic .NET]
Public WriteOnly Property SpatialReference
[C#] public void SpatialReference {set;}
[Java] public ISpatialReference setrefSpatialReference() throws IOException, AutomationException
[C++] HRESULT putref_SpatialReference( ISpatialReference* );
This property is only used for map display, setting this property does not change the spatial reference of the layer's underlying data. The ArcGIS framework uses this property to pass the spatial reference from the map to the layer in order to support on-the-fly projection.