The system maintains a per-process reference count on all loaded modules. The search path can be altered using the SetDllDirectory function. Now all you need to do is locate the “LoadLibrary” and “GetProcAddress” functions in there and you’re good to go! Instead, use the CreateProcess function. When no path is specified, the function searches for loaded modules whose base name matches the base name of the module to be loaded. Or are there any cheap alternatives besides using a higher-level language?

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For more information about paths, see Naming a File or Directory. As Raymond Chen mentioned, to do this, just have a look at the Portable Executable Format specification. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

RaymondChen True, but how do I do this? Instead, use the CreateProcess function. Otherwise, the function searches for the file. Instead, use the recommended techniques described in Getting the System Version.


If a relative path is specified, the entire relative path is appended to every token in the DLL search path list. If the module exists in the application’s directory, LoadLibrary ignores the specified path and loads the module from the application’s directory. If no file name extension is specified in the lpFileName parameter, the default library extension. Now all you need to do is locate the “LoadLibrary” and “GetProcAddress” functions in there and you’re good to go!

All imports and exports are treated as just byte strings. Link to the import library. Email Required, but never shown.

However, the file name string loadlibbrary include a trailing point character. Loads the specified module into the address space of the calling process. To load a module from a relative path without searching any other path, use GetFullPathName to get a nonrelative path and call LoadLibrary with the nonrelative path.

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LoadLibraryA function

RaymondChen This is something for my advanced computer sciences class. However, do not use LoadLibrary to run an. Post as a guest Name. For more information, see Dynamic Link Library Redirection.


Um, why not just import it like a normal program? Sign up using Email and Password. If the function fails, the return value is NULL.

Of course, this is true. To get extended error information, call GetLastError.

LoadLibraryA function | Microsoft Docs

The first directory searched is the directory containing the image file used to create the calling process for more information, see the CreateProcess function. I am trying loadlivrary make a small win32 “Hello, world! This can be either a library module a. Stack Overflow works best with JavaScript enabled.

If lpFileName does not include a path and there is more than one loaded module with the same base name and extension, the function returns a handle to the module that was loaded first. Return Value If the function succeeds, the return value is a handle to the module.

Sign up using Facebook. I have tried to do what some already recommended me to do: