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unload dll

 
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atlantis
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Joined: 16 Jun 2007
Posts: 69
PostPosted: Sun Oct 14, 2007 5:28 pm    Post subject: unload dll Reply with quote
how do I unload a dll from another process?
I use vb.net and createremotethread + freelibrary.

xtrap unloads somtimes.. I wan't it to unload every time..
with pauses or whatever just as long it works..
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appalsap
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Joined: 27 Apr 2006
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Location: Pakistan
PostPosted: Sun Oct 14, 2007 5:39 pm    Post subject: Reply with quote
First of all, don't use VB.NET

Second: READ THE MSDN DOCUMENTATION.

Code:



Each process maintains a reference count for each loaded library module. This reference count is incremented each time LoadLibrary is called and is decremented each time FreeLibrary is called. A DLL module loaded at process initialization due to load-time dynamic linking has a reference count of one. This count is incremented if the same module is loaded by a call to LoadLibrary.

Before unmapping a library module, the system enables the DLL to detach from the process by calling the DLL's DllMain function, if it has one, with the DLL_PROCESS_DETACH value. Doing so gives the DLL an opportunity to clean up resources allocated on behalf of the current process. After the entry-point function returns, the library module is removed from the address space of the current process.

It is not safe to call FreeLibrary from DllMain. For more information, see the Remarks section in DllMain.

Calling FreeLibrary does not affect other processes using the same library module.
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