OPMSTATE system variable
Function Description:
The OPMSTATE system variable is used to specify whether the property palettes is open, closed, or hidden.
(Read-Only)
Type : Integer 
Saved in : Not saved 
Initial value : 0 
Range : 0,1,2 
System Variable Value:
0 : closed
1 : open 
2 : auto hidden: when property palettes is opened it only displays title bar as cursor moving away from palettes