I have a Python COM object working. I want to pass to it
a Delphi callback function (showing progress) that I can
call periodically. I've Googled until I'm cross-eyed and
I'm getting nowhere. Anybody out there that could give
me a push in the right direction.
I tried passing pointer to my callback function using
@ operator in Delph, but when I compile Delphi complains.
Here is a snip of my Delphi code:
function Callback(total: integer; position: integer): boolean; stdcall;
begin
WriteLn('In Callback, total=' + IntToStr(total) +
' position=' + IntToStr(position));
result := True;
end;
.
. In program
.
//
// Set callback function in wsAPI to be called for each block
// that is uploaded. oC contains instance of COM object and
// works perfectly. oC has a method called WSset_callback that
// expects a callback function as an argument. I have the
// callback working perfectly in pure-Python code.
//
oC.WSset_callback(@Callback);
When I compile I get:
[Pascal Error] wsAPICOM.dpr(151) E2281 Type not allowed in Variant
Dispatch call.
Thanks in advance for any assistance.
Regards,
Larry
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