I use some PtOnOffButtons and want importing my image to it.

So, I set its resource to Pt_IMAGE, then
import the image successly
, but then I can’t see “the On/Off
cycle” on it. 
How can I solve it?
Thanks before.
I use some PtOnOffButtons and want importing my image to it.

So, I set its resource to Pt_IMAGE, then
import the image successly
, but then I can’t see “the On/Off
cycle” on it. 
How can I solve it?
Thanks before.