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Article #6677

Re: Avoiding multiple programinstances and restore the firstone

#6677
From: Vladimir Stefanovic
Date: Fri, 22 Apr 2005 15:57
64 lines
2846 bytes
> I meant 'the first'.
>
> Example:
> Q: About which instance are you speaking ?
> Possible answers:
> A: The one which started first.
> A: The first one.
> A: The firstone.
> A: The first.

He, he - I overlooked that, and that was easy to understand: first-one.
Somehow I imagined that it was something with: fir(e)stone - fire stone.

Also thank's for the code comments.



-- 
Best regards,
Vladimir Stefanovic

>
>>>The use of a mutex and after that searching for windows
>>>would be doing twice nearly the same.
>>
>> Yes. I use this, but not sure if that's the best way:
>>
>> bool StartNewInstance( AnsiString NAME, AnsiString MUTEX )
>
> You did not set back the original Title. That is needed
> in case it is the first instance.
>
> What I meant was that you can omit the mutex: (untested)
>
> bool StartNewInstance( AnsiString NAME, AnsiString MUTEX )
> {
>       AnsiString OldTitle =  Application->Title;
>
>       Application->Title = "Something different";
>       HWND FirstWnd;
>       FirstWnd = ::FindWindow( "TApplication", NAME.c_str() );
>       // TApplication ???
>
>       if ( FirstWnd )
> {
>       if ( ::IsIconic( FirstWnd ) ) ::ShowWindow( FirstWnd,
> SW_SHOWDEFAULT );
>       ::SetForegroundWindow( FirstWnd );
>       Application->Title = OldTitle;
>
>         return ( false );
>         }
>
>      Application->Title = OldTitle;
>
>    return ( true );
> }
>
> But my code comes in handy when the Title is not know.
> And it does not require changing of stringcontents for
> different projects.
>
>
> Hans. 
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From: "Vladimir Stefanovic" <antivari@po.sbb.co.yu>
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Subject: Re: Avoiding multiple programinstances and restore the firstone
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