Re: [DUG] Returning a WideString in an Invoke Param

Tue, 18 Jul 2006 13:35:09 -0700

Yeah, I changed that code shortly after the initial post to use both the pbstrVal and the StringToWideChar. Still nothing worked.

I've spent over half a day browsing the Goggle groups and the web in general and there is just not enough information out there for passing variable parameters through COM with the Invoke method.

I've done a redesign instead and gone away from events. Instead, I'm going to get the COM user to implement a IDispatch interface, pass it to the automation server, and then the automation server can just call the interface directly.

Phil.

Brian Wrigley wrote: 
----- Original Message -----
From: "Phil Middlemiss" <[EMAIL PROTECTED]>
To: "NZ Borland Developers Group - Delphi List" <[email protected]>

  
        Params.rgvarg[1].bstrVal := PWideChar(layermanagerid);
        Params.rgvarg[0].bstrVal := PWideChar(appname);
    

Here you are casting, not converting. Don't you need to use
StringToWideChar?

Brian

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