Hello guys,

In the sample programs i have viewed, I've tried to understand the code the is being presented. There are some codes that attracts my attention (actually I don't know hot to do them). Some of this are:

In the program i have downloaded I saw a code somthing ike this

thisform.nprice()
thisform.show_details()

where do these [show_details()& nprice()] came from. is these a function method or what?
How can I create that?


Thanks!