http://www.zwsoft.com/forum/viewthread.php?tid=2045 Product： ZWCAD 2012 Professional Language： 繁體中文 OS： Windows XP Home/Professional Version Number： 2011.10.30(17176) Description： Hi, My ZWCAD is 2012 Pro I use convertctb command and create a .stb file Then I use convertpstyles command and select that .stb file. When I use layer command, I can't change layer's plot style, that column is grey and unable to modify for any layer. What should I do so I can change the "Plot Style" for layer? Thank you very much! ArnoWeng4535 2012-04-02 17:19:29 http://www.zwsoft.com/forum/viewthread.php?tid=2045&pid=14800 Are you sure you successfully converted your ctb to stb then??? sorry, stb is not a supported plotstyle for the current ZWCAD but in the next generation^ DDWZW 2012-04-20 15:28:16