[lazarus] how to watch numbers in 'hexadecimal' while running

[http:hi.baidu.comyuye_abc]

as sometimes I want to see the numbers that shown like "$FFFF", I tried to set 
the style of watches in the window called "watch properties", but the Style 
colum is not available..... Who helps me???? Ps. binary mode is better. yours.. 
oh,my poor English~