oSefl vs. ::

[Otto]

What is the difference between oSefl and :: ?
Can someone please explain why oSelf is working and :: fails?

Code: Select all  Expand view

 local oSelf             := SELF
@ 10,10 BTNBMP oBtn OF ::oPanArt_WG;
           SIZE 160, 80 ;
               FONT oFnt ;
            ACTION ( oSelf:oPanArt_WG:hide() ) NOBORDER TRANSPARENT

is working and

Code: Select all  Expand view

ACTION ( ::oPanArt_WG:hide() ) NOBORDER TRANSPARENT

fails.

Thanks in advance
Otto

[Antonio Linares]

Otto,

When we use: ... BTNBMP ... ACTION ...

ACTION ... gets preprocessed into:

[{|Self|<uAction>}]

But that "Self" will be provided to the codeblock as a parameter and it is not ::

So when we do local oSelf := Self
and then we use oSelf from the codeblock, we are using oSelf and not the provided parameter self

Little confusing but its simple