http://customers.segue.com/downl ... 06R2SP2/relnote.htm
这个是Borland官方的release note，注意在2006 R2SP2上面仅仅支持回放，就是replay。你需要在IE上面录制完脚本以后再到firefox上面去回放的。
DIO:
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FireFox 2.0 replay support
SilkTest 2006 R2 SP2 supports the replay of FireFox 2.0 test scripts.
For recording however, use either Internet Explorer 6 or 7. These scripts can then be replayed on FireFox 2.0.
...
End DIO
如果lz一定要coding自己的customer window，那么首先楼主先确定，在<Silk folder>\extend\下面firefox.inc被装载了。