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What is DllEntryPoint?
The DllEntryPoint function is an optional method of entry into a dynamic-link library (DLL). If the function is used, it is called by the system when processes and threads are initialized and terminated, or upon calls to the LoadLibrary and FreeLibrary functions.
Do I need DllMain CPP?
1 Answer. DllMain is not mandatory. If you have some initialization code required to run when loading the dll, you should create a DllMain function, and treat the initialization there. Otherwise it’s not required.
What is CreateProcessW?
The Unicode version of this function, CreateProcessW, can modify the contents of this string. If this parameter is a constant string, the function may cause an access violation. The lpCommandLine parameter can be NULL. In that case, the function uses the string pointed to by lpApplicationName as the command line.
Why does dllmain call the entry point function?
The thread was the initial thread in the process, so the system called the entry-point function with the DLL_PROCESS_ATTACH value. The thread was already running when a call to the LoadLibrary function was made, so the system never called the entry-point function for it.
What does dllmain stand for in Microsoft Docs?
DllMain is a placeholder for the library-defined function name. You must specify the actual name you use when you build your DLL. For more information, see the documentation included with your development tools. During initial process startup or after a call to LoadLibrary, the system scans the list of loaded DLLs for the process.
What’s the difference between DLL and dllmain in Java?
DllMain is a placeholder for the library-defined function name. You must specify the actual name you use when you build your DLL. For more information, see the documentation included with your development tools.
What’s the difference between dllmain and main in WinMain?
DllMain is an optional construct and has a lot of implicit contracts associated with it. For instance, you should not be calling code that will force another DLL to load. In general it’s fairly difficult function to get right and should be avoided unless you have a very specific need for it. main () means your program is a console application.