Progress bar increament during execution of Dll

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Hello All,
Greate techonology using dll for big project implementation but so hard to implement with lots of milestone problem.

New morning my new DLL problem!!!!
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As i implemented dll fro compilation some code.
Like i create a .cpp and .h file as per user selection and compile i with GNUIM g++ and c++ compiler.
Things work greate!!!
but problem arised when i consern Progressbar.
That is As compilation progress i increase progressbar as per compilation files.
but compilation has saparate maitain dll so how i increase progress bar of main calling project as per compilation of files in DLL project.
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ALL related HELPS ,LINKS,CODE BLOCK are welcomes

Posted 25-Mar-11 21:10pm

santosh dhanawade

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Piccadilly Yum Yum · Answer 1 · 2011-03-25T22:05:00

Solution 1

maybe this help ?

http://www.eggheadcafe.com/software/aspnet/33631809/progress-bar-in-dll--thread.aspx[^]

Posted 25-Mar-11 22:05pm

Piccadilly Yum Yum

Comments

[no name] 26-Mar-11 4:32am

Thanks for reply but dude not that ways!! A deferent approch.

Sergey Alexandrovich Kryukov · Answer 2 · 2011-03-26T10:12:00

This is a problem of inversion of control, see http://en.wikipedia.org/wiki/Inversion_of_control[^].

In your case the problem is: you DLL provides some resource to be used in a host application. If your application is the only source of causality, you cannot solve your problem, because only your host application triggers a call. You need inverted situation: your DLL needs to call something which triggers the event presenting a step in the host's UI. The solution is a callback method. A class in a DLL should accept callback and call this callback (let's say "OnProgressStep"); a host application should provide a callback code.

—SA