[DUG] Problems with Com stuff on Win7

[Kyley Harris]

No Idea, but I've had a number of times where it was issues in source
code, rather than other issues that caused problems like this.. For
Example.. The Default Printers.pas caused me problems on many
operatings systems and printers, but the dxPRinters.pas rewrite works
well on everything..

So.. possibly its the delphi interface calls to the vista serial??

wishy washy I know :)

On Mon, Sep 20, 2010 at 3:31 PM, Rohit Gupta <rohit at cfl.co.nz> wrote:
>  I have an eftpos terminal driver written in delphi 2007.
>
> On XP, it works fine with standard ports and USB-Serial converter.
> But on Vista and Win7, it works fine only with the onboard ports.  It
> will not work with the USB-Serial converter.
>
> I am using a Prolific USB to Serial converter.
>
> Does anyone know what may be the problem.
>
> Whats curious is that a VB app that uses the ocx comm driver works under
> all circumstances.
>
> Rohit
>
>
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-- 
Kyley Harris
Harris Software
+64-21-671-821