working with dll exported functions ...

[thanatos83]

Hi all.

i have some questions about this, please any help:

First, i need use System.dll to call unrar.dll ?, so i put down some functions of this plugin but i need some functions, not all really?, to extract contents of RAR file.

- unrar::RARCloseArchive
- unrar::RARGetDllVersion
- unrar::RAROpenArchive
- unrar::RAROpenArchiveEx
- unrar::RARProcessFile
- unrar::RARProcessFileW
- unrar::RARReadHeader
- unrar::RARReadHeaderEx
- unrar::RARSetCallback
- unrar::RARSetChangeVolProc
- unrar::RARSetPassword
- unrar::RARSetProcessDataProc
- unrar::___CPPdebugHook

I read about the plugin http://nsis.sourceforge.net/Calling_...tem.dll_plugin

But i confused about how to put first in the script... :s

[Wizou]

You're not really using System to call your DLL here.
CallInstDLL is the old way of calling NSIS plugins.

You should use System::Call to call unrar.dll function. It will requires you to specify the prototype of the function using System specific syntax (see System plugin help file)

[jiake]

Download this file:
http://www.rarlab.com/rar/UnRARDLL.exe
And extract it using WinRAR, read unrardll.txt. It shows you the structrue and functions of unrar.dll, and the constants are defined in unrar.h.

[thanatos83]

OK thanks...

So it's more easy with unrar.exe, but progress bar jumps when you use it with nsExecToLog.

Is there anyway to set a proper progress bar with this compressor, for example when the compressor is extracting a file?

[Wizou]

No.

Note: Even when NSIS is extracting a file by itself, the progress bar is not moving (only a percentage of the progress is displayed)