SHOWLAYERUSAGE system variable
Function Description:
The SHOWLAYERUSAGE system variable is used to display icons to indicate whether the layer is in use in layer property manager.
Type : Integer
Saved in : Registry
Initial value : 0
Range : 0,1
System Variable Value:
0 : disable it to improve performance in layer property manager
1 : enable it to display the icon indicating whether the layer is in use