OpenEuphoria

Re: getSelf( )

• Posted by Matthew Lewis <MatthewL at KAPCOUSA.COM> Sep 14, 2000
• 417 views

Matthew W Lewis
KAPCO


> -----Original Message-----
> From: Cuny, David@DSS
> > What are the consequences of that problem if it does occur?
>
> It's only an issue if you call getSelf() after a callback invokes
> sendMessage. For example:
>
>    procedure onSomeEvent( ... )
>       integer self
>       self = getSelf()
>       sendMessage( ... )
>    end procedure
>
> won't cause any problems, because the correct value of self
> was retrieved
> before SubProc/WndProc replaced it. If you instead wrote:
>
>    procedure onSomeEvent( ... )
>       integer self
>       sendMessage( ... )
>       self = getSelf()
>    end procedure
>
> then self will contain the wrong value, because it was called after
> sendMessage.
>

I don't think that's correct, because windows (and win32lib) will handle
that message before returning to onSomeEvent().  So the stack should be
popped by then, right?

Matt Lewis