DEFPLSTYLE system variable

Function Description:

The DEFPLSTYLE system variable is used to specify the default plot styles for all layers when opening a drawing which created in a earlier version, or for Layer 0 when creating a new drawing without using a drawing template.

Type : Strings
Saved in : Registry
Initial value : BYLAYER

When the drawing is open and the PSTYLEPOLICY set to be 1, the DEFLPLSTYLE is readable and its default value is "BYCOLOR". If the PSTYLEPOLICY set to be 0, the DEFLPLSTYLE is writable and its default value is "BYLAYER".
Users could use CONVERTPSTYLES command to convert current drawing to be named plot styles or color dependent plot styles