HPDOUBLE system variable
Function Description:
The HPDOUBLE system variable is used to specify double hatch patterns for custom defined patterns.
Type : Integer 
Saved in : Not saved 
Initial value : 0 
Range : 0,1
The double hatch pattern specifies a second set of lines drawn at 90 degrees with original line.
System Variable Value:
0 : turn off double hatch pattern
1 : turn on double hatch pattern